15-08-2022
Physics

contestada

A body of mass 320kg is moving at a velocity of 20 m/s is brought to rest by a constant force of 960 N.Calculate is the distance traveled before coming to rest.

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15-08-2022

Answer:

a = F / m = -960 / 320 = -3 m/s^2 force in opposite direction to acceleration

t = (V2 - V1) / a =(-20m/s) /(-3 m/s^2) = 6.67 s

S = V0 t + 1/2 a t^2

S = 20 * 6.67 - 3 / 2 * 6.67^2 = 66.7 m

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