A steel sphere is dropped vertically onto a horizontal metal plate. The sphere hits the plate with a speed u, leaves it at speed v, and rebounds vertically to half its original height. Which expression gives the value of v/u?

Question

anonymous · Answer

a) 1/2√
b)1−1/2√
c) 1/2^2
d) 1/2

anonymous · Answer

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anonymous · Answer

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anonymous · Answer

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anonymous · Answer

Thank you very much! I really hope you can help me

anonymous · Answer

Your answer is B

anonymous · Answer

I checked the marking scheme, the correct answer is C

anonymous · Answer

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