+JJJJ  / X5 lӠˠӠϠӠϠԮԠҠˠčӠ٠ϠԮ(4)"RUN MENU"5L998:BKP$;",A$6000":BACK2:CP:j:SOUND9:22:"SORRY, PLEASE TRY AGAIN.":25::SOUND8:22:"RIGHT!":23:W$:25:x:21:W$;:24:38::" ";::d24:38::" ";::dd PRESS TO GO TO THE MENU."1z27125:|122V}998::(4)"RUN MENU"|998:998::(4)"RUN STAGING1":21:1:W$;24:39::" ";13,27940,950920:24:39:" ";:998:940: 2:CP::: ACCELERATION IS PROPORTIONAL TO THE MAGNITUDE OF THE UNBALANCED FORCE, AND THE DIRECTION OF THE ACCELERATION IS IN THE DIRECTION OF THE UNBALANCED FORCE."#v18:"THIS COMPLETES THE STAGING PROGRAM. 021 nMIX:W$"(A) IS THE CORRECT ANSWER.":1300< p::6 r"THE SECOND LAW OF MOTION -- IF AN UNBALANCED FORCE ACTS ON A BODY, THE BODY WILL BE ACCELERATED;" t:"THE MAGNITUDE (AMOUNT) OF THE TED) BY A ROCKET MOTOR FIRED DIRECTLY OPPOSITE THE SATELLITE'S DIRECTION OF MOTION.":900 `W$"VELOCITY IS SPEED IN A CERTAIN DIRECTION.":900 bP$"BAT/BALL":1100:FULL f65,66,67,27110,106,106,1000 h102 jMIX:1200:FULL:1E NEGATIVE ACCELERATION, OFTEN CALLED DECELERATION.":900 \W$"A SATELLITE OR SPACECRAFT CAN BE SPEEDEDUP BY A ROCKET MOTOR FIRING TO PUSH IT IN THE SAME DIRECTION IT IS NOW GOING.":900\ ^W$"A SATELLITE OR SPACECRAFT CAN BE SLOWED DOWN (DECELERA"THE CAPSULE'S VELOCITY IS DECREASED.":1300 WW$"AN UNBALANCED FORCE APPLIED IN THE DIRECTION OF MOTION WILL PRODUCE POSITIVE ACCELERATION.":900< ZW$"AN UNBALANCED FORCE APPLIED DIRECTLY OPPOSITE THE DIRECTION ON MOTION WILL PRODUC STAGING1&CP46806:CB46799FW$"WHAT HAPPENS TO THE CAPSULE'S VELOCITY WHEN THE RETRO ROCKETS ARE FIRED? (A) VELOCITY IS INCREASED (B) VELOCITY IS DECREASED":1400K65,66,2780,85,1000L75P1200:70, UW$    23:W$:25:0x:21:W$;:24:38::" ";::d:21:1:W$; 24:39::" ";513,27940,950>920Z:24:39:" ";:998:e940:2:CP:::(4)"RUN MENU"L998:BKP$;",A$6000":BACK2:CP::SOUND9:22:"SORRY, PLEASE TRY AGAIN.":25: :SOUND8:22:"RIGHT!":KET (B).":900P$"MERCURY.CAPSULE":1100:W$"THIS PICTURE SHOWS A MANNED MERCURY SPACECRAFT IN ORBIT FIRING ITS RETRO ROCKETS. THE SPACECRAFT'S MOTION IS TOWARD THE LEFT OF THE SCREEN.":900998:998::(4)"RUN STAGING1" NG BODY IS EQUAL TO ITS MASS TIMES ITS VELOCITY.":900W$"VELOCITY IS SPEED IN A CERTAIN DIRECTION.":900:P$"PAYLOADERS":1100W$"THESE TWO ROCKETS HAVE THE SAME VELOCITYBUT BECAUSE ROCKET (A) HAS MORE MASS IT HAS MORE MOMENTUM THAN ROCORBIT.":900W$"HOWEVER, IT IS THE ONLY WAY WE HAVE FOUND SO FAR TO PUT AN OBJECT INTO ORBIT, SEND MEN TO THE MOON, OR SEND PROBES TO THE OTHER PLANETS.":9006W$"MOMENTUM = MASS X VELOCITY. THE MOMENTUM POSSESSED BY A MOVIQUAL WEIGHT BUT WITH ONLY ONE STAGE."910:P$"TITAN2":1100::VIEW1;MIX:W$"ROCKETS ARE NOT A VERY EFFICIENT MEANS OF TRANSPORTATION.":900 W$"IT TAKES A HUGE ROCKET WITH LOTS OF PROPELLANT (FUEL AND OXIDIZER) TO PUT A SMALL PAYLOAD INTO THE EMPTY TANKS FOR THE PROPELLANT WHICH HASBEEN USED. THIS MAKES EACH SUCCEEDING STAGE OF THE ROCKET LIGHTER."' :"THIS PERMITS THE ROCKET TO USE ITS PROPELLANT MORE EFFICIENTLY. MULTI-STAGEROCKETS WILL USUALLY GO HIGHER THAN ROCKETS OF EF THE BOOSTER'S ENGINE, PROPELLANT, AND STRUCTURE ARE NOW GONE.":900W$"THIS MEANS THAT THE ROCKET NOW HAS LESS MASS TO ACCELERATE WITH A GIVEN FORCE.":900::4s"STAGING ROCKETS PERMITS DROPPING MUCH OFTHE ROCKET'S STRUCTURE ALONG WITH 900YW$"THIS GIVES THE ROCKET POSITIVE ACCELERATION TO GO EVEN FASTER.":900W$"THE FORCE OF THE SECOND STAGE ENGINE'S THRUST IS APPLIED TO A ROCKET WHICH IS SUBSTANTIALLY LIGHTER THAN WHEN IT WAS LAUNCHED.":900GW$"ALL THE MASS OKET.":900W$"WHEN THE SECOND STAGE'S ENGINE IGNITES, THE FORCE OF THIS ENGINE IS APPLIED TO THE ROCKET WHICH IS ALREADY IN MOTION.":900W$"THE FORCE OF THE SECOND STAGE ENGINE IS APPLIED IN THE SAME DIRECTION AS THE MOTION OF THE ROCKET.":ELLANT OF THE BOOSTER STAGEOF A TWO-STAGE ROCKET IS USED UP, THE ROCKET IS MOVING AT A CERTAIN VELOCITY.":900 W$"HOW FAST THE ROCKET IS MOVING DEPENDS ONSUCH FACTORS AS THE MASS OF THE ROCKET, THE POWER OF THE BOOSTER ENGINE, AND THEDRAG ON THE ROC1200:218=W$"ROCKET (B) IS THE CORRECT ANSWER.":1300W$"IN ORDER TO MAKE ROCKET (A) HAVE MORE ACCELERATION, ITS MASS MUST BE REDUCED OR IT MUST BE LAUNCHED WITH A MORE POWERFUL ENGINE.":900pP$"MR.STAGING":1100:W$"WHEN THE PROP900P$"TWO ROCKETS":1100;W$"(A) OR (B)":1400X65,66,27205,210,1000a200p1200:195W$"ROCKET (B) IS THE CORRECT ANSWER":1300P$"TWO ROCKETS A":1100W$"(A) OR (B)":140065,66,27225,230,1000220 IVEACCELERATION.":900W$"WHEN YOU APPLY THE BRAKES, BOTH YOU AND THE CAR EXPERIENCE NEGATIVE ACCELERATION.":900W$"THE ACCELERATION AND ENERGY PROGRAM EXPLAINS HOW ACCELERATION IS AFFECTED BY CHANGES IN EITHER MASS OR FORCE.":ED ACCELERATION.":900W$"IF AN OBJECT SPEEDS UP, IT UNDERGOES POSITIVE ACCELERATION. WHEN AN OBJECT SLOWS DOWN, IT UNDERGOES NEGATIVE ACCELERATION.":900W$"WHEN YOU PRESS THE ACCELERATOR ON YOUR CAR, YOU AND THE CAR EXPERIENCE POSIT"CHANGE ITS MOTION IS THE CORRECT ANSWER.":1300 P$"RISING ROCKET":1100:W$"AN UNBALANCED FORCE CAUSES AN OBJECT TO MOVE. AN UNBALANCED FORCE CAUSES A CHANGE IN THE MOTION OF AN OBJECT.":900W$"A CHANGE IN THE SPEED OF AN OBJECT IS CALLFULL;80:P$"PUSH OVER":1100:80:MIX W$"AN UNBALANCED FORCE ACTING ON AN OBJECT CAUSES THE OBJECT TO _________. (A) REMAIN STATIONARY (B) CHANGE ITS MOTION":1400 65,66,27150,155,1000 140 1200:1351 W$ dW$"THE BALL IS SUPPORTED BY THE TABLE. ONCETHE BALL ROLLS OFF THE EDGE, THE FORCE OF GRAVITY IS NO LONGER BALANCED BY THE TABLE, SO THE BALL WILL FALL.":900 iW$"AN UNBALANCED FORCE PRODUCES A CHANGE IN MOTION.":900' nP$"PUSH DOWN":1100:HE BALL ALL OF THE TIME. THE TABLE SUPPORTS THE BALL AND KEEPS IT FROM FALLING.":900 \W$"WHEN THE BALL IS ROLLED OFF THE EDGE OF THE TABLE, IT FALLS.":900 _W$"AN UNBALANCED FORCE IS A FORCE THAT IS NOT MATCHED BY AN OPPOSING FORCE.":900THE BOWLING BALL OFF THE TABLE, THE BALL WILL _______. (A) FALL (B) RISE (C) FLOAT IN MID-AIR":1400 K65,66,67,2785,80,80,1000 L75 P1200:70 UW$"THE BOWLING BALL WILL FALL.":1300] ZW$"THE FORCE OF GRAVITY IS PULLING DOWN ON T2 STAGING-:123:CP46806:CB46799U2P$"STAGING2":1100:VIEW1;FULL;304MIX:W$"STAGING IS A METHOD WHICH ENABLES HEAVY PAYLOADS TO BE LAUNCHED INTO ORBIT SOMEWHAT EFFICIENTLY.":9007P$"MOUSE1":1100l FW$"IF THE MOUSE ROLLS      )"RUN MENU"3L998:BKP$;",A$6000":BACK2:CP:h:SOUND9:22:"SORRY, PLEASE TRY AGAIN.":25::SOUND8:22:"RIGHT!":23:W$:25:x:21:W$;:24:38::" ";::d:ddEN PLACED INTO ORBIT OR THE ORBIT WILL EVENTUALLY DECAY DUE TO ATMOSPHERIC DRAG.":900z998:998::(4)"RUN SAT1":21:1:W$;24:39::" ";13,27940,950920:24:39:" ";:998:940: 2:CP:::(4"ALPHA/ORBIT":1100:W$"IF THE ROCKET IS LAUNCHED SO THAT IT REACHES A VELOCITY OF ABOUT 5 MILES PER SECOND WHILE MOVING PARALLEL TO THE EARTH'S SURFACE, AN ORBIT IS ACHIEVED.":900XW$"THE ROCKET MUST BE AT LEAST 100 MILES ABOVE THE EARTH WHOP AND THEN BEGIN TO FALL BACK. THIS COULD TAKE SEVERAL HOURS OR EVEN DAYS.":900W$"IF THE ENGINE HAS ENOUGH PROPELLANT TO ACCELERATE THE ROCKET TO A VELOCITY OF ABOUT 7 MILES PER SECOND, THE ROCKET WILL LEAVE THE EARTH FAR BEHIND.":900P$:1100W$"IF THE ENGINE WERE TO EXHAUST ALL OF ITSPROPELLANT AT THIS POINT AND BEFORE REACHING ESCAPE VELOCITY, THE FLIGHT WILL BECOME SUB-ORBITAL.":900RW$"THE ROCKET WOULD REACH FAR ABOVE THE EARTH BUT WOULD EVENTUALLY SLOW TO A STPECIAL HEAT SHIELDS TO PROTECT THEM FROM THIS HEATING."P$"ALPHA/HI":1100:W$"ONCE ABOVE THE EARTH'S ATMOSPHERE, THE ROCKET IS NOW FREE FROM DRAG AND ALL OF THE ENGINE'S THRUST IS USED EFFICIENTLY FOR ACCELERATION ONLY.":900P$"ALPHA/HIGHER"EGINS TO BUILD. OUR VERYPOWERFUL MODEL ROCKET ENGINE ALLOWS THE ROCKET TO OVERCOME THIS DRAG.":900W$"AS THE ROCKET PUSHES ITS WAY THROUGH THEAIR ITS SURFACES BEGIN TO HEAT DUE TO ATMOSPHERIC FRICTION.":9009W$"NASA ROCKETS ARE DESIGNED WITH SOCKET ENGINE THOUSANDS OF TIMES MORE POWERFUL THAN ANY NOW PRODUCED.":900W$"AFTER LAUNCH THE ROCKET RISES VERTICALLYFROM THE LAUNCH PAD AND BEGINS TO ACCELERATE RAPIDLY.":900cW$"AS IT ASCENDS AND ACCELERATES, THE DRAG IT EXPERIENCES BSE.":1300P$"ALPHA/TAKEOFF":1100:W$"THIS PICTURE SHOWS AN ESTES ALPHA ON ITS WAY TO ANOTHER SUCCESSFUL FLIGHT OF SEVERAL HUNDRED FEET ABOVE THE EARTH.":900MW$"LET'S EXAMINE WHAT COULD HAPPEN IF THIS ALPHA HAD A SUPER-DUPER MODEL RITY:(A) CAN ACHIEVE ORBIT (B) CAN REACH MARS (C) CAN JOURNEY TO ANOTHER STAR":1400z65,66,67,27124,126,126,1000{122|1200:120 ~W$"IF YOU ACHIEVE ESCAPE VELOCITY, YOU CAN GO ANYWHERE IN THE UNIVERHEN IT STARTS ITS ESCAPE ATTEMPT AND IN WHICH DIRECTION IT IS HEADING.":900vW$"THE FIGURE WE NORMALLY USE FOR ESCAPING EARTH'S GRAVITATIONAL PULL IS 25,000 MILES PER HOUR OR 7 MILES PER SECOND.":900zxW$"A ROCKET WHICH ACHIEVES ESCAPE VELOCING AWAY FROM IT, IT CAN EVENTUALLY ESCAPE MMOST OF EARTH'S GRAVITY.":900rW$"THE SPEED WHICH A ROCKET NEEDS TO 'LEAVE' EARTH IS CALLED 'ESCAPE VELOCITY'.:GOSUB 900OtW$"THIS VARIES DEPENDING UPON HOW HIGH UP THE OBJECT IS WD OXIDIZER) TO PUT A SMALL PAYLOAD INTO ORBIT.":900nW$"SO FAR, IT IS THE ONLY WAY WE HAVE FOUND TO PUT AN OBJECT INTO ORBIT.":900KpP$"PICTURE 11":1100:W$"IF A ROCKET CAN PRODUCE ENOUGH THRUST TOMOVE AWAY FROM THE EARTH AND TO CONTINUEMOVARTH'S SURFACE.":900jP$"PICTURE 9":1100:W$"MOST SATELLITE ORBITS ARE ACTUALLY ELLIPTICAL, NOT CIRCULAR.":900:P$"TITAN2":11005lW$"ROCKETS ARE NOT VERY EFFICIENT MEANS OF PROPULSION. IT TAKES A HUGE ROCKET WITH LOTS OF PROPELLANT (FUEL AN DISTANCE FROM B TO C.":900fW$"THE RATE AT WHICH THE SATELLITE IN A CIRCULAR ORBIT FALLS MATCHES THE RATE ATWHICH THE EARTH'S SURFACE CURVES.":900hW$"AS A RESULT A SATELLITE IN A CIRCULAR ORBIT MAINTAINS A CONSTANT DISTANCE ABOVE THE EE FIRST LAW OF MOTION, THE SATELLITE WOULD MOVE FROM A TO B.":900 bW$"SINCE GRAVITY AFFECTS THE PATH OF THE SATELLITE, THE SATELLITE ACTUALLY FALLS.":900dW$"ITS ACTUAL MOTION IS FROM A TO C. THE SATELLITE FALLS A DISTANCE REPRESENTED BY THE:782 VW$"PRIMARY IS THE CORRECT ANSWER.":1300F X64:21:2:"C"g Z49,50,51,2792,92,94,1000o [90} \1200:88 ^W$"ORBIT IS THE CORRECT ANSWER.":1300B `P$"PICTURE 7":1100:W$"IF ITS PATH CONTINUED IN A STRAIGHT LINEAS REQUIRED BY TH (2) PRIMARY (3) ORBIT":1400:R B64:21:2:"A"s D49,50,51,2774,72,72,1000{ F68 H1200:66 JW$"SATELLITE IS THE CORRECT ANSWER.":1300 N64:21:2:"B" P49,50,51,2784,86,84,1000 R80 T1200S MOTION IN A STRAIGHT LINE AND AT CONSTANT SPEED.":900 :W$"SINCE THERE IS GRAVITY, THE OBJECTS ATTRACT EACH OTHER.":900 <P$"QUESTION 4":1100 >66> @W$"-A- IS CALLED A ________. (1) SATELLITE SATELLITES MAY BE NATURAL, SUCH AS THE MOON, OR ARTIFICIAL (MAN-MADE), AS A COMMUNICATIONS SATELLITE PUT UP BY NASA.":900? 8P$"TRAJECTORY":1100:W$"IF THERE IS NO GRAVITATIONAL ATTRACTION BETWEEN THE TWO BODIES, THE SMALLER BODYWILL CONTINUE IN IT SATELLITES0:123:CP46806:CB46799|2P$"SAT/TITLE":1100:VIEW1;FULL;30:P$"SATELLITE IN ORBIT":1100:MIX4W$"SATELLITES ARE OBJECTS WHICH MOVE AROUNDA LARGER BODY. THE PATH A SATELLITE FOLLOWS IS CALLED ITS ORBIT.":900~ 6W$"     TRY AGAIN.":25:=:SOUND8:22:"RIGHT!":23:W$:25:`x:21:W$;:24:38::" ";::dW$;:24:38::" ";::d98:940:/2:CP:::(4)"RUN MENU"WL998:BKP$;",A$6000":BACK2:CP::SOUND9:22:"SORRY, PLEASE TRY AGAIN.":25::SOUND8:22:"RIGHT!":23:W$:25:x:21:W$;:24:38::" ";::d24:38::" ";::dRRY, PLEASE TES THE SATELLITES PROGRAM. PRESS TO GO TO THE MENU.";s27148|144998:998::(4)"RUN MENU":21:1:W$;24:39::" ";13,27940,950920:24:39:" ";:9TES ORBIT IS 'DECAYING', THE SPEED OF THE SATELLITE IS _______. (A) INCREASING (B) DECREASING":140065,66,27136,138,10001321200:130W$"DECREASING IS THE CORRECT ANSWER.":1300e:21:1:"THIS COMPLE65,66,67,27126,124,124,1000({1227|1200:120~P$"PICTURE 37B":1100:W$"THE SIZE OF THE ORBIT WILL INCREASE.":900W$"AN ORBIT IS SAID TO BE 'DECAYING' WHEN IT STARTS GETTING SMALLER (CLOSER TO THEPRIMARY).":900W$"IF THE SATELLIXvW$"THE SATELLITE HAS A RE-STARTABLE ROCKET ENGINE WHICH IS ABOUT TO BE FIRED.":900xW$"HOW WILL THE ORBIT BE AFFECTED? (A) THE ORBIT WILL INCREASE IN SIZE (B) THE ORBIT WILL DECREASE IN SIZE (C) THERE WILL BE NO CHANGE":1400zTHE SIZEOF THE 'ORBIT' AND THE SPEED OF THE 'SATELLITE'?":900tP$"PICTURE 37A":1100:W$"HERE WE SEE A SATELLITE IN A PERFECTLY CIRCULAR ORBIT AROUND A PLANET. THE SATELLITE'S AXIS IS ALIGNED PARALLEL TO THE SATELLITE'S FORWARD MOTION.":900GH THE SPOOL AS YOU WHIRL THE BALL.STABILIZE THE SWINGING RATE AGAIN. NOTICE THE PULL ON THE STRING.":900pW$"IS THE PULL ON THE STRING THE SAME WITH A LONG 'ORBITAL' PATH AS WITH A SHORTER ONE? WHY?":900BrW$"IS THERE A RELATIONSHIP BETWEEN A COUPLEOF FEET HIGH OR WHICH ARE BREAKABLE. SLOWLY SWING THE BALL ABOVE YOUR HEAD.":900lW$"ONCE THE BALL IS SWINGING AROUND AT A STEADY RATE, NOTICE THE AMOUNT OF PULL ON THE STRING.":900onW$"LET A COUPLE OF FEET OF STRING SLIDE UP THROUDTHROUGH A SOLID RUBBER BALL.":900hW$"TIE THE END OF THE STRING THROUGH THE BALL SECURELY TO THE STRING ENTERING THEBALL. RUN THE STRING THROUGH A WOODEN SPOOL.":900]jW$"FIND A LARGE, OPEN AREA AWAY FROM PEOPLEAND OBJECTS WHICH ARE MORE THAN 22.300 1.91 24 HOURS"/Z910W\P$"BOY/STRING":1100:VIEW1::MIXdW$"HERE IS AN EXPERIMENT THAT LETS YOU SIMULATE SATELLITE MOTION.":900#fW$"FIND A STRONG BUT FLEXIBLE CORD OR STRING ABOUT SIX FEET LONG. PUT THE COR IN MILES MILES PER SEC. PERIOD -------- -------------- ------"&X:" 0 4.92 1 HR 24 MIN 100 4.85 1 HR 28 MIN 400 4.68 1 HR 38 MIN 5,000 3.27 4 HR 47 MINNTED TO A GEOSYNCHRONOUSSATELLITE AS YOU WATCH TV PROGRAMS REBROADCAST FROM THE SATELLITE.":910pR::2T"HERE IS A TABLE WHICH SHOWS THE ORBITAL VELOCITY AND PERIODS FOR SATELLITES AT SEVERAL ALTITUDES."XV:" ALTITUDE VELOCITY QUATOR AND IS MOVING WEST TO EAST."N:"IN A GEOSYNCHRONOUS ORBIT THE SATELLITE STAYS IN THE SAME RELATIVE PLACE IN THE SKY. THIS IS EXTREMELY HANDY FOR COMMUNICATIONS SATELLITES."eP:"IF YOU HAVE A SATELLITE DISH AT HOME YOUWILL HAVE IT POI::4 J"THERE IS ONE ORBIT THAT IS EXTREMELY IMPORTANT. THIS IS THE GEOSYNCHRONOUS ORBIT. A SATELLITE IN A GEOSYNCHRONOUS ORBIT IS 22,300 MILES UP. IT REQUIRES 24 HOURS TO COMPLETE ONE ORBIT."#L:"THE SATELLITE IS LOCATED ABOVE THE E:1100:W$"A SATELLITE WITH A LOW ORBIT IS FAIRLY CLOSE TO THE PLANET. ITS ORBIT IS FAIRLYSHORT AND HAS A HIGH VELOCITY.":900 FW$"A SATELLITE WITH A HIGH ORBIT IS FAR FROM ITS PLANET. ITS ORBITAL PATH IS LONG, AND ITS VELOCITY IS LOW.":900 HRBIT BUT THE SATELLITE DOES NOT REMAIN AT A CONSTANT DISTANCE ABOVE THE EARTH.":900 BW$"AN ESCAPE VELOCITY CAN BE ACHIEVED WHEN THE VELOCITY OF THE ROCKET REACHES MORE THAN 25,000 MILES PER HOUR OR ABOUT 7 MILES PER SECOND.":900 DP$"PICTURE 29"RESULT OF INSUFFICIENT VELOCITY TO REACH ORBIT OR TO ESCAPE.":900 >W$"A CIRCULAR ORBIT IS ONE IN WHICH THE SATELLITE REMAINS AT A CONSTANT HEIGHT ABOVE THE PLANET AS IT TRAVELS AROUND IT.":900T @W$"AN ELLIPTICAL ORBIT RESEMBLES A CIRCULARO ENOUGH TO STAY IN A CIRCULAR ORBIT, BUT IS STILL HELD IN AN ORBIT ABOUT THE EARTH.":900 8P$"PICTURE 27":1100:W$"HERE YOU CAN SEE THE POSSIBLE RESULTS OF LAUNCHES FROM THE SURFACE OF A PLANET.":900D :W$"A SUB-ORBITAL FLIGHT IS THE   SAT1"CP46806:CB46799;2P$"PICTURE 9":11004W$"IF THE ROCKET IS NOT MOVING PARALLEL TO THE EARTH'S SURFACE WHEN IT ACHIEVES ORBIT, IT MAY ENTER AN ELLIPTICAL ORBIT.":900_ 6W$"IN AN ELLIPTICAL ORBIT THE ROCKET DOES NOT FALL FAST         610 gKEY155100 l2308 (222)6Ģ19:1:958t 198:19:1:"OOPS! YOU FORGOT TO TURN THE DISK OVER." P14000::602 198:19:1:"OOPS! YOU FORGOT TO TURN THE DISK OVER." P14000::602M1M2M3M7600 $ X198G Z19:1:958:19:1::N$(M): ]20:1:"IS ON THE OPPOSITE SIDE OF THIS DISK. PLEASE OPEN DISK DRIVE DOOR, TURN DISK OVER, AND PRESS ." ^"PRESS TO CANCEL.":998 b370:KEY141KEY155N$(M);:MM1:MTLM11 @:V(M):4:N$(M);::Q hH21((T$)2):V:H:T$:x r49152,128:KEY(49152):49168,0:  ACTION-REACTION,5,INERTIA,6,MOMENTUM,7,ACCELERATION AND ENERGY,8,STAGING,9,SATELLITES,10,TECH TIP,11,EXIT PHYSICS PROGRAM,13 :6 15:1:L110:D$;::V17:T$S$:360:240:500G :RP$;N$(M)` :V(M):4:N$(M);: 370:KEY136KEY139İ290 KEY149KEY138İ310 KEY141240  "V(M):4:N$(M);:MM1:M1MTL ,:V(M):4:N$(M);:: 6V(M):4: K700)PTL8:RP$(13)(4)"RUN"RZN$(TL),V(TL):J1TL:N$(J):V(J):dT$"PHYSICS OF MODEL ROCKETRY MENU":S$"<- OR -> TO SELECT THEN PRESS " xD$"____":::(21):M1:V2:T$T$:360:3:1:L110:D$;::J1TL:V(J):4:N$(J);)2)):H:AN$:U ARE READY TO BEGIN A NEW":210R AN$"PROGRAM DISK, PLACE IT IN THE DISK":210y AN$"DRIVE AND THEN PRESS...":210 ::AN$" -- ":210: :AN$"(THIS WILL START YOUR NEW PROGRAM)":210 23:: H(20((AN$?d:::(21):4:AN$"WE HOPE YOU HAVE ENJOYED USING":210jnJ68:J::AN$" ":210:x7:AN$"PHYSICS":210:::AN$" PLEASE TAKE YOUR DISK OUT OF THE DISK":210" DRIVE AND RETURN IT TO ITS ENVELOPE.": AN$"WHEN YO-Ϗ提玀 < ̌̐ q.ΞȘ̞ q  Ԁ4Ʉđ ϏϞ .) 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MkMkMnJnFවgBऀn>n:Ān6Ԁn2n.Ԁn* Ãn%  జW;% 𰜌G A, ఘ3 H5 ర QEa܀'(̌Ԁ((ꙺĀȀ*Āྃ*ДՐԐԀ-Ѐ𜇁6$ఀ0܀ฌ\3ฌa7$d܀$7 ᳞$2̌$-$+&*Ԫeฎ6mฎ2 u𞃁.}, ჆|༇* 𘌌༇( ၿ῀𞃀&%$$Łk  6[*రO󷀀 ; ఘFM𘜆?Ԁ[𘎆:ĀPДՐԐԀ؀&𜇁?$̀)ฎe,Ȁజq0܀𘌆e5 రS ;&ఘ9D2 రă ̌&/$.$Յ,Ԫ$ +̌$1ꙺĀ%3ЀĀ ] ఘ7Æm𘌆2ౘ`ฌ-ÃZฎ*7 ᳞Ԁ'1 甁󀷀2ČX"'రH I ర?    \ȀJ.󳳳挘Ā܀K. 1L?࿁-M0+O0ᴀ'P0𘘘𞃀!R.ȀUJ𜎃ĀXN𸜌z#ՠԱ ӠǠ DZ  ˮDz ˮנ̠ ˮβ ˮ٠ˮϠӠˮϠӠ ԠӠ͠  ˮȠҠ ˮΠ ˮǠԠ ˮԠŠ ˮԠǠ ˮԯŠ ˮŠΠԠ "ˮŠ "ˮŠ ˮŠˮŠ ˮŠ ˮŠˮȠΠ   ˮï̠ ˮٮŠˮ̠ԠŠ ˮű ˮҮǠ! ˮӠ !ˮŠ  ˮƠ ˮ̠ԠŠ ˮԯ̠ˮٯǠˮǠԠ ˮ٠ˮĠǠ ΠĠ٠ αβˮίŠ ˮɠˮҠ ˮԠ CE SLOWS THE BALL TO KEEP IT FROM FALLING AS FAST AS GRAVITY TRIES TO CAUSE IT TO FALL?":" (A) DECELERATION (B) DRAG (C) NOTHING"24:38::" ";:65,66,67,27290,295,290,950286,67,27250,255,250,950 240f21:1:958:SOUND9:21:1:"SORRY, PLEASE TRY AGAIN.":25:21521:1:958:SOUND8:21:1:"RIGHT! GRAVITY IS THE CORRECT ANSWER.":25:7X "AS THE BALL FALLS, WHAT FOREVENTUALLY THE BALL SLOWS TO A STOP AND STARTS TO FALL."z:"WHAT IS THE PRIMARY FORCE CAUSING THE BALL TO FALL?":" (A) ACCELERATION (B) GRAVITY (C) DRAG"24:38::" ";:65,6CAN ACTUALLYPERFORM THIS EXPERIMENT. ALSO, IF YOU ACTUALLY DO THE ACTIVITY YOU CAN BE SURETHAT YOU ARE NOT IMAGINING WHAT HAPPENS INCORRECTLY."910:7;"AS THE BALL RISES IN THE AIR, THE FORCESOF GRAVITY AND DRAG CAUSE IT TO SLOW DOWN. "IMAGINE THAT YOU AND A FRIEND ARE OUTSIDE PLAYING WITH A BALL. HAVE YOUR FRIEND THROW THE BALL VERTICALLY INTO THE AIR. OBSERVE ITS PATH AS IT MOVES UP AND THEN DOWN.":"TO BE SURE THAT YOU ARE VISUALIZING CORRECTLY, YOU AND A FRIEND F DRAG AN OBJECT EXPERIENCESDEPENDS LARGELY UPON THE SMOOTHNESS OF THE OBJECT, ITS SIZE, AND ITS SPEED THROUGH THE AIR.":900W$"THE HIGHER THE VELOCITY THAT AN OBJECT MOVES THROUGH THE AIR, THE GREATER THE DRAG PRODUCED.":900::7D ITBEGINS TO LOSE VELOCITY.":900W$"THE BALL LOSES VELOCITY (SPEED) BECAUSE GRAVITY IS PULLING ON IT AND BECAUSE OF THE AERODYNAMIC DRAG PRODUCED BY ITS MOTION THROUGH THE AIR.":900FULL:P$"HAND DRAG":1100:40::MIXW$"THE AMOUNT O1400W$"SORRY, PLEASE TRY AGAIN.":1200:135W$"RIGHT! GRAVITY AND DRAG IS THE CORRECT ANSWER.":1300FULL:P$"GRAVITY":1100:40:P$"THROW BALL":1100:40::MIX"W$"THE INSTANT THE BALL LEAVES YOUR HANE ROCKET SLOWS RAPIDLY ONCE THE PROPELLANT IS USED UP.":900W$"THE CHIEF FORCES CAUSING THE ROCKET TO SLOW DOWN AFTER THRUSTING ENDS ARE: (A) ACCELERATION AND DECELERATION (B) GRAVITY AND DRAG":140065,66,27150,155,950THE CORRECT ANSWER.":1300k xW$"AS THE ROCKET'S PROPELLANT IS USED, THE ROCKET BECOMES LIGHTER.":900 }W$"THE DRAG EXPERIENCED BY THE ROCKET BUILDS UP VERY RAPIDLY AS THE ROCKET'S SPEED INCREASES.":900BP$"COASTING ROCKET":1100:W$"THOCKET EXPERIENCES _________ ACCELERATION. (A) NEGATIVE (B) NO (C) POSITIVE":1400 _65,66,67,27110,110,115,950 d95 nW$"SORRY, PLEASE TRY AGAIN.":1200:90 sW$"RIGHT! POSITIVE ACCELERATION IS (B) 16 (C) 32":14006 K65,66,67,2785,80,80,950> L75j PW$"SORRY, PLEASE TRY AGAIN.":1200:70 UW$"RIGHT! ANY OBJECT WITHOUT MOTION HAS 0 ACCELERATION.":1300_ ZW$"AFTER IGNITION THE MODEL R":1100:W$"THE ROCKET ACCELERATES AS IT LEAVES THE LAUNCH PAD. ITS SPEED INCREASES AS ITS PROPELLANT IS BURNED.":900 FW$"THE VELOCITY (SPEED) OF A MODEL ROCKET SITTING ON THE LAUNCH PAD BEFORE LAUNCH IS __ FEET PER SECOND. (A) 0 N.":900 <W$"ACCELERATION MEANS CHANGE IN SPEED. IF THE ROCKET'S SPEED IS INCREASING, IT IS EXPERIENCING POSITIVE ACCELERATION.":900 >W$"IF THE ROCKET'S SPEED IS DECREASING, IT IS EXPERIENCING NEGATIVE ACCELERATION.":900w AP$"RISING ROCKET ACCELERATION AND ENERGY=:123:CP46806:CB46799o2P$"ACCELERATION/TITLE":1100:VIEW1;FULL;30 7MIX:W$"ACCELERATION IS CHANGE IN SPEED. IF A MODEL ROCKET IS SITTING ON THE LAUNCH PAD, IT IS EXPERIENCING NO ACCELERATIO        THE SOURCE OF POSITIVE ACCELERATION DURING DESCENT IS _________. (A) GRAVITY (B) DRAG (C) MOMENTUM":140065,66,67,27142,140,140,950137W$"SORRY, PLEASE TRY AGAIN.":1200:135+W$"RIGHT! KET ENGINE (C) GRAVITY":1400As65,66,67,27120,125,120,950Ju115wxW$"SORRY, PLEASE TRY AGAIN.":1200:110}W$"RIGHT! THE ROCKET ENGINE IS THE CORRECT ANSWER.":1300P$"ROCKET PARACHUTE":1100|W$"0,950 _929dW$"SORRY, PLEASE TRY AGAIN.":1200:90iW$"RIGHT! THE ROCKET IS GAINING KINETIC ENERGY.":1300nW$"WHAT IS THE SOURCE OF ENERGY INCREASING BOTH THE POTENTIAL AND KINETIC ENERGY? (A) DRAG (B) ROCUW$"RIGHT! THE ROCKET IS GAINING POTENTIAL ENERGY.":1300ZW$"AS IT IS RISING, IS THE ROCKET GAINING OR LOSING KINETIC ENERGY? (A) GAINING (B) LOSING (C) NO CHANGE":1400\65,66,67,27105,100,10"RISING ROCKET":1100# HVIEW1: JW$"AS IT IS RISING, IS THE ROCKET GAINING OR LOSING POTENTIAL ENERGY? (A) GAINING (B) LOSING (C) NO CHANGE":1400 K65,66,67,2785,80,80,950 L75 PW$"SORRY, PLEASE TRY AGAIN.":1200:74\ G H"v C:"M IS MASS OF OBJECT V IS VELOCITY OF OBJECT" D:"H IS DISTANCE THE OBJECT CAN FALL G IS ACCELERATION DUE TO GRAVITY" E910 FP$E GREATER IS ITS POTENTIAL ENERGY.":900 <W$"KINETIC ENERGY IS THE ENERGY POSSESSED BY A MOVING BODY BECAUSE OF ITS MOTION.":900 A::4 B"KINETIC ENERGY = 1/2 M (V SQUARED) POTENTIAL ENERGY = MNTUM.":900 -W$"AS THE BALL FALLS FASTER, DRAG SLOWS ITSFALL. DRAG SLOWED THE BALL ON THE WAY UP, AND DRAG SLOWS IT AS IT FALLS.":900 2P$"KINETIC/POTENTIAL":1100, 7W$"POTENTIAL ENERGY IS ENERGY OF POSITION. THE FARTHER AN OBJECT CAN FALL, THLL.":900 #W$"AT THIS MOMENT THE BALL HAS MAXIMUM POTENTIAL ENERGY (ENERGY DUE TO ITS POSITION) AND ITS MINIMUM KINETIC ENERGY(ENERGY OF MOTION).":900 (W$"AS THE BALL STARTS TO FALL BECAUSE OF THE PULL OF GRAVITY, IT GAINS SPEED AND MOME ACCELERATION13:123:CP46806:CB46799\P$"BALL AT APOGEE":1100:VIEW1;MIX W$"AT APOGEE THE BALL IS STILL ACTED UPON BY GRAVITY. SINCE THERE IS NO MOTION OF THE BALL THROUGH THE AIR AT THAT INSTANT, THERE IS NO DRAG ON THE BA      : 940:-2:CP:::(4)"RUN MENU"UL998:BKP$;",A$6000":BACK2:CP:r:SOUND9:21:W$:25::SOUND8:21:W$:40:x:21:W$;:24:38::" ";::d:W$;:24:38::" ";::dd BALL HAS ZERO MOMENTUM. (ANY MASS TIMES ZERO VELOCITY = ZERO MOMENTUM)"uE910J:123::(4)"RUN ACCELERATION1":21:1:W$;24:39::" ";13,27940,950920:24:39:" ";:998THE DRAG THE BALL EXPERIENCES AS IT PUSHES ITS WAY THROUGH THE AIR SLOWS THE BALL.";:"EVENTUALLY THE TWO FORCES, GRAVITY AND DRAG, CAUSE THE BALL TO LOSE ALL OF ITS UPWARD SPEED."l@"AT THIS POINT, THE APOGEE OR HIGHEST POINT OF ITS PATH, THES IT IS THROWN UP IN THE AIR IS TO CONSIDER THE MOMENTUM POSSESSED BY THE BALL."6"THE BALL POSSESSES A CERTAIN MOMENTUM WHEN YOU RELEASE IT. GRAVITY PULLS THE BALL TOWARD THE GROUND. THIS FORCE CAUSES THE BALL TO LOSE MOMENTUM."T8"ALSO, 0G"21:1:958:SOUND9:21:1:"SORRY, PLEASE TRY AGAIN.":25:260'21:1:958:SOUND8:21:1:"RIGHT! DRAG IS THE CORRECT ANSWER.":25,:2R1"ONE WAY TO TRY TO UNDERSTAND WHAT HAPPENS TO THE BALL A INCREASING THE THRUST (FORCE) OF THE ROCKET ENGINE INCREASES THE ACCELERATIONPRODUCED.":900 FW$"THIS CONCLUDES THE ACCELERATION AND ENERGY PROGRAM. PRESS TO GO TO THE MENU." K:21:W$; P2790U80ATION M OF ANY OBJECT.":900 <W$" F YOU CAN SEE THAT IF THE A = --- FORCE IS INCREASED OR THE M MASS IS DECREASED, THEN ACCELERATION IS INCREASED.":900d AW$"LESSENING THE MASS OF A ROCKET OR ODUCES MORE THRUST.":900 2W$"THE MOST EFFICIENT ROCKET ENGINES ARE THOSE THAT ARE DESIGNED TO ACCELERATE THE EXHAUST GASES AT THE HIGHEST POSSIBLE VELOCITY.":900) 7W$" F THIS IS THE EQUATION FOR A = --- FINDING THE ACCELERLY MUCH HIGHER DENSITY THAN THE GASES, THE GASESMUST HAVE A VERY HIGH VELOCITY TO ACCELERATE THE ROCKET.":900 -W$"THE ROCKET ENGINE'S NOZZLE RESTRICTS THEFLOW OF THE HOT EXHAUST GASES. THIS CAUSES THEM TO BE ACCELERATED WHICH IN TURN PRS RESTRAINED OR THE ENGINE DOES NOT PRODUCE ENOUGH FORCE.":900 #W$"F = M X A THE FORCE PRODUCED IS EQUAL TO THE MASS OF THE GASES PRODUCED TIMES ITS ACCELERATION.":900x (W$"SINCE THE ROCKET IS RELATIVE ACCELERATION2DCP46806:CB46799:P$"RISING ROCKET":1100W$"THE FORCE PRODUCED BY THE ROCKET ENGINE WILL CAUSE THE ROCKET TO ACCELERATE IN THE DIRECTION OPPOSITE THE ROCKET'S EXHAUST.":900G W$"THE ROCKET CANNOT ACCELERATE IF IT I13,27940,950920::24:39:" ";:998:E940:e2:CP:::(4)"RUN MENU"L998:BKP$;",A$6000":BACK2:CP::SOUND9:21:W$:25::SOUND8:21:W$:25:x:21:W$;:24:38::" ";::d:d::dIMPULSE IS DETERMINED BY DIVIDING THE TOTAL IMPULSE BY THE WEIGHTOF THE PROPELLANT.":900W$"MOST MODEL ROCKET ENGINES HAVE SPECIFIC IMPULSES OF ABOUT 80 SECONDS.":900998::(4)"RUN ACCELERATION2":21:1:W$;24:39::" ";LLANT ROCKET ENGINE.":900W$"IT CAN OPERATE IN SPACE. IT CAN BE LAUNCHED FROM UNDERWATER IF PROPERLY PREPARED.":900W$"SOLID PROPELLANTS ARE RATED FOR RELATIVEEFFICIENCY BY COMPARING THEIR SPECIFIC IMPULSES.":900[W$"THE SPECIFIC SECONDS D 20.00 NEWTON-SECONDS"j:"IMPULSE IS CHANGE IN MOMENTUM CAUSED BY A FORCE."910:P$"MODEL ROCKET ENGINE":1100:VIEW1::W$"THE PROPELLANT IS A MIXTURE OF FUEL AND OXIDIZER. THE MODEL ROCKET ENGINE IS A TRUE SOLID PROPEVIOUS LETTER.":" ENGINE TYPE TOTAL IMPUSE 1/2A 1.25 NEWTON-SECONDS A 2.50 NEWTON-SECONDS B 5.00 NEWTON-SECONDS"0" C 10.00 NEWTON- PRODUCED ARE 1/2A'S. THESE ENGINES PRODUCE 1.25 NEWTON-SECONDS OF TOTAL IMPULSE.""EACH SUCCEEDINGLY HIGHER POWER LEVEL IS INDICATED BY A SUBSEQUENT LETTER (A,B,C, ETC.) AND HAS TWICE THE POWER OF THE ENGINE INDICATED BY THE PRE'TECHNICAL NOTE TN-1 MODEL ROCKET ENGINES' PUBLISHED BY ESTES INDUSTRIES SUPPLIES INFORMATION ON ESTES ENGINES.":900::2_"THE TOTAL IMPULSE PRODUCED IS USED IN RATING THE ENGINES. THE LOWEST POWER RATINGS CURRENTLY1200:145\W$"RIGHT! DRAG IS THE CORRECT ANSWER.":1300P$"ROCKET THRUSTING":1100:W$"IF YOU WOULD LIKE TO FIND OUT HOW MUCH FORCE YOUR MODEL ROCKET ENGINES PRODUCE,CHECK YOUR MODEL ROCKET CATALOG.":900|W$" GRAVITY IS THE CORRECT ANSWER.":1300W$"THE SOURCE OF NEGATIVE ACCELERATION DURING DESCENT IS _________. (A) GRAVITY (B) DRAG (C) MOMENTUM":140065,66,67,27150,152,150,950147 W$"SORRY, PLEASE TRY AGAIN.":၇ߞ3ǃJՕD몪̀1ߝ ݯ؀4 踌𰜎Ȁ𸞆؀𰌃ฎฎ{ݰงi(관ฃV.      " "H @* (*!DDD:U@U!rHb"H3 """""H<*(*!1dD@Dd9DDdDD3n>U@PU!H""# " Ѐ@*(*!FDD @ `@UU!!@** $;UTTPQAUݡ9* *Ā9Dd1칱9U@U!rH"""2X"":**!qd ydyly~dDD(#:** b|p|lLP'%:UAPUa|?%ݯ߁#݀<*(*** p|G0À#>UAPUUUEp~  瀁Q ""* Brx<8B" ((* Bp~? *U$UEEAQ@p~ @TU+&6* bx~Ap<<~8 Ā)ﻔ#8U`x?TTUUTTTP RS@8|~x`U適遝ݽفx p`2B2   fg t*ÀG @@PPTTU gyx~xEeaq8 |ATU8* (#~xAA@@UUTUTPC~xB?~|p@瀁K??><:2* * ?? *(!~x` ***踕鳸鹽踝ݝ==}||{umUU? 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