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You drop a 6.0x10^-2 kg ball from height of 1.0m above hard flat surface. Ball strikes surface and energy decreases by 0.14J, then bounces upward. How much kinetic energy does t…

You drop a 6.0x10^-2 kg ball from height of 1.0m above hard flat surface. Ball strikes surface and energy decreases by 0.14J, then bounces upward. How much kinetic energy does t…
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4 votes
You drop a 6.0x10^-2 kg ball from height of 1.0m above hard flat surface. Ball strikes surface and energy decreases by 0.14J, then bounces upward. How much kinetic energy does the ball have just after it bounces off the flat surface?

asked
User Anton Nakonechnyi
by
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2 Answers

4 votes
The answer is

Mgh-0.14= 0.45




answered
User Ifoma
by
8.3k points
5 votes
If you drop a 6.0x10^-2 kg ball from height of 1.0m above hard flat surface, and after the ball had bounce off the flat surface, the kinetic energy of the ball would be mgh - 0.14 = 0.45.
answered
User Lokusking
by
7.0k points
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