NicolasWelch521 NicolasWelch521

23-01-2024
Physics

contestada

A tennis ball is dropped onto the floor from a height of 9.8 m. It rebounds to a height of 5.0 m. Ball comes in contact with the floor for 0.2s. The average acceleration during contact is ____ ms-².
a. 98
b. 49
c. 24.5
d. 9.8

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