Tessellate S.T.E.M.S. (2019) - Physics - School - Set 1 - Objective Problem 2
Level
1
A ball of mass 100g is thrown up to a maximum height of 10m. At what height is its kinetic reduced to 60% of the initial?
1m
2m
3m
4m
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1 solution
since at 10 m height the kinetic energy is 0 . it will be 60% at 4 m .