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Answer to Question #103024 in Mechanics | Relativity for Aseer
Question #103024
A ball (20g)is released From (1m) above ground while it is connected to a string and hits a (40g) block causing the block to move over a rough surface and stops after (20m)
Find friction?
Find friction?
Expert's answer
From the conservation of energy:
The friction coefficient:
"\\mu =\\frac{mh}{Md}""\\mu =\\frac{(20)(1)}{(40)(20)}=0.025"
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Comments
That was very helpful. Thank you
Dear Aseer, according the description of the problem we assume that the collision is elastic and the ball transfers all the it's energy to the block.
Sorry to bother you, but is this answer for elastic or inelastic collisions
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Okay, thank you
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