elviskiseyo5 elviskiseyo5

22-06-2021
Physics

contestada

a ball of mass 0.2 kg is dropped from a height of 20m on impact to the ground it loses in 30 joule of energy calculate the height it reaches on rebound

Respuesta :

idreeszahid62 idreeszahid62

22-06-2021

Answer:

new PE at top=original PE - energy lost

mgh=.2(9.8)20-30

Explanation:

mgh=.2(9.8)20-30 = 9.2

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