2003APPhysicsExamFRQues

2003APPhysicsExamFRQues - 2003 Ap.PHVSICS C: MECHANICS...

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2003 Ap.PHVSICS C: MECHANICS FREE-RESPONSE QUESTIONS PHYSICS C SectionII, MECHANICS Time-45 minutes 3 Questions Directions: Answerall threequestions.The timeis about15minutesfor answeringeachof thequestions,. whichare worth J5pointseach.The withina maynothaveequalweight.Showall yourworkin the pinkbooklet provided each NOTinthis green 100 Mech. I. box aboveis x varieswithtime t a student. x;::::o + across a rough where x is in meters and t is in the the ofthe box at time t ::: O. (b) as of tiroe t. 1. The kinetic energy of the box ii. The net force on the box iii. The power being delivered to the box Calculatethe networkdoneon thebox intheinterval t ::: 0to t = 2 s. (d) Indicate below whether the than, less or to done on answer in box by the student in the interval t ::: 0 to t ::: 2 s would be greater than than to your answer. Copyright(:) EnlranceExaminationBoard.All Availableto AP at students parentsat GO ON TO THE NEXT PAGE. 5
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2003 AP(.iJ) PHYSICS C: MECHANICS FREE. .RESPONSE QUESTIONS H M Mech.2. An is the apan mass Mis it a distance D as shown above. A of alsoof mass M, is andsticksto it. aU answersin termsof the Detemlinethe of thepanjust niter the strikesit. (c) Determinethe of the harmonicmotion thatensues. (d) Determinethe thespringis stretched thepanis a Justifyyour answer. is now removedfrom thepanandthe is same else. (a) Determine the of the at the instant it hits the Indicate below whether the or the same as it was in of the - Greater than - Lessthan Justify your answer. end the from a H onto the and fundamental constants. at the moment the speed of returned to H onto and harmonic motion of the pan is than, less than, - Thesameas 2003 EntranccExaminationBoard.All rcsCfVed. bleto At> at apccntra!.coUcgeboard.com and to smdents parentsal GO ON TO THE NEXT PAGE. 6
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APf) PHYSICS C: MECHANICS FREE-RESPONSE QUESTIONS 12m x 2 Mech. 3. Some physics students build a The projectile, of mass 10 is be loaded with various masses hOJ1zontalposition, shown in I the vertical position, allowing as shownabove.The is fix.ed to the incup A at one end of arm.A bucket B that is to than 10 is locatedat the otherend of the arm.The armis releasedfromthe I, and There is a mechanism that thearmin to witha horizontal as showninFigure2. (a) The students load five different masses in the distance x traveled bv the I0 release and measure the the x L The data are on the axes below. Sketch a best-fit curve for these data 10 50 40 "': 20 0 200 400 600 800 1000 Mass (kg) 11. your beSHlt curve, the counterweight bucket. .x
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2003APPhysicsExamFRQues - 2003 Ap.PHVSICS C: MECHANICS...

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