tamar375 tamar375

20-02-2024
Physics

contestada

A rubber ball is dropped from a height of 5m on a planet where the acceleration due to gravity is not known. On bouncing, it rises to 1.8m. The ball loses its velocity on bouncing by a factor of:
a) 5/9
b) 9/5
c) 25/9
d) 9/25

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