Physics, 04.10.2021 19:50 baileypreston311
John pulls a box with a force of 4 N, and Jason pulls the same box from the opposite side with a force of 3 N. Ignoring
friction, which of the following statements is true?
a. the box moves toward John
b. the box moves toward Jason
c. the box does not move
d. there is not enough information to
determine if the box moves.
Answers: 2
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In a game of pool, ball a is moving with a velocity v0 of magnitude v0 = 15 ft/s when it strikes balls b and c, which are at rest and aligned as shown. knowing that after the collision the three balls move in the directions indicated and assuming frictionless surfaces and perfectly elastic impact (that is, conservation of energy), determine the magnitudes of the velocities va, vb, and vc.
Answers: 3
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