oliviaoconnell1 oliviaoconnell1

07-10-2020
Physics

contestada

A sled covers 20 m from rest and achieves a velocity of 9 m/s under constant acceleration. What is the acceleration of the sled?

Respuesta :

jcherry99 jcherry99

07-10-2020

Answer:

Explanation:

Givens

d= 20 m

vi = 0

vf = 9 m/s

a = ?

Equation

vf^2 = vi^2 + 2 * a * d

Solution

9^2 = 0 + 2*a*20

81 = 2*a * 20

81 = 40*a

a = 81/40

a = 2.025

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