Jonaebm4377 Jonaebm4377

21-05-2017
Physics

contestada

If a boy (m = 50kg) at rest on skates is pushed by another boy who exerts a force of 200 N on him and if the first boy's final velocity is 8 m/s, what was the contact time?

Respuesta :

gerishonwambugu gerishonwambugu

21-05-2017

F* t = (m x v_final) - (m x v_initial)

200 x t = 50x8 - 50x0

t= 50 x 8 /200

t= 2s

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julianwuzhere4pe86km julianwuzhere4pe86km

12-09-2018

The answer would be 2 seconds

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