course phy 121
3/20 at 10:30 a.m.
Asst 17 Question 1--------------------------------------------------------------------------------
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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:
Since the mass is smaller for the marble, it will have a greater acceleration since force/mass=acceleration.
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If the forces were exerted during identical time intervals, which would have the greater change in velocity?
answer/question/discussion:
Since acceleration times change in time will equal change in velocity, the marble will also have a greater change in velocity due to the greater acceleration.
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Revised: 06 Feb 2010 17:12:32 -0500"
&#Good responses. Let me know if you have questions. &#