Physics, 09.12.2020 01:00 StephenCurry34
Two stones, A and B, are thrown horizontally from the top of a
cliff. Stone A has an initial speed of 15 meters per second and
stone B has an initial speed of 30 meters per second. Compared
to the time it takes stone A to reach the ground, the time it takes
stone B to reach the ground is
A) the same
B) twice as great
C) half as great
D) four times as great
B
Answers: 2
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Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.
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Two stones, A and B, are thrown horizontally from the top of a
cliff. Stone A has an initial speed...
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