AP PHYSICS 5 REVIEW QUESTIONS AND ANSWERS LATEST UPDATE (GRADED A+)
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AP PHYSICS 5
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AP PHYSICS 5
AP PHYSICS 5 REVIEW QUESTIONS AND ANSWERS LATEST UPDATE (GRADED A+)
a stone of mass m, is attached to a strong string and whirled in a vertical circle of radius r. at the exact top of the path the tension of the string is 3 times the stone's weight. the stone's speed at this point is given by
a....
AP PHYSICS 5 REVIEW QUESTIONS AND ANSWERS LATEST UPDATE (GRADED A+)
a stone of mass m, is attached to a strong string and whirled in a vertical circle of radius r. at the exact
top of the path the tension of the string is 3 times the stone's weight. the stone's speed at this point is
given by
a. 2rad gr
b. rad 2gr
c. 2gr
d. 4gr - Answers a. 2 rad gr
at the exact bottom of the path the tension in the string is 3 times the stone's weight, the speed is
a. 2 rad gr
b. rad2gr
c. 2gr
d. 4gr - Answers rad 2 gr
a stone is whirled in a vertical circle on a cord. halfway up
a. the tension is towards the center of the circle and the net force is down
b. the weight is down and net force is towards the center of the circle
c. tension force is towards the center of the circle and weight is down
d. the weight and tension are in the same direction - Answers the tension force is towards the center of
the circle and the weight is down
a roller coaster car is on a track that forms a circular loop in the vertical plane. if the car is to just
maintain contact with the track at the top of the loop, what is the minimum value for its centripetal
acceleration at this point?
a. g downward
b. g upward
c. 0.5 g downward
d. 2 g upward - Answers g downward
a girl attaches a rock to a string, which she then swings counterclockwise in a horizontal circle. the string
breaks at point P on the sketch, which show's bird's eye view. what path will the rock follow
, a
b
c
d
e - Answers b
the following statements refer to man made artificial satellites in orbit around earth. which is an
accurate statement
a. it is possible to have a satellite travelling at either a high speed or at a low speed in a given circular
orbit
b. only circular orbits (not elliptical ones) are possible for artificial satellites
c. a satellite in a large diameter circular orbit will always have a loner period of revolution about the
earth than will a satellite in a smaller circular orbit
d. the velocity required to keep a satellite in a given orbit depends on the mass of the satellite - Answers
a satellite in a large diameter circular orbit will always have a longer period of revolution about the earth
than will a satellite in a smaller circular orbit
2 objects are travelling in circular orbits. obj A is travelling at twice the velocity of object b in a circle
with a diameter of twice that of B. the centripetal acceleration
a. of A and B are the same
b. of A is twice that B
c. of A is 4 times that of B
d. of A is half that of B - Answers a is twice that b
a cannon ball is fired horizontally off a high cliff over a great distance. if air resistance can be ignored the
path is follows is
a. part of a parabola
b. part of a circle
c. a hyperbola
d. part of an ellipse - Answers part of an ellipse
the variation of g over the surface of the earth does not depend upon
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