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17-09-2021
Physics

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A ball is released at the top of a ramp at t = 0. Which is the speed of the ball at t = 4?

A ball is released at the top of a ramp at t 0 Which is the speed of the ball at t 4 class=

Respuesta :

17-09-2021

Answer:

For uniform acceleration

a = (v2 - v1) /t = 2.5 acceleration is constant 2.5

v2 = 2.5 * 4 v1 = 0 at t = 0

v2 = 2.5 m/s^2 * 4 s = 10 m/s

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