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Phy 241
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A steel ball rolls down a ramp and collides with a marble, as in the video. The marble is slightly smaller and quite a bit less massive than the ball.
If they both experience the same force, which will have the greater acceleration?
answer/question/discussion: ->->->->->->->->->->->-> :
F = ma
F_ball = F_marble
Since the marble has a smaller mass, it needs a larger acceleration in order to have equal force to the ball.
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If the forces were exerted during identical time intervals, which would have the greater change in velocity?
answer/question/discussion: ->->->->->->->->->->->-> :
The marble since the acceleration is greater than the ball. If acceleration is faster, the change in velocity is greater
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*#&!
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