CourtneyCurtis CourtneyCurtis

30-04-2017
Physics

contestada

What is the Kinetic Energy of a tennis ball after 40.0cm of freefall?

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egenriether egenriether

01-05-2017

The kinetic energy is the same as the potential energy of raising it 40cm (0.4m). That's mgh where m is mass of ball. Its then 3.924*m, whatever m is equal to in kg.

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