Natalie accelerates her skateboard along a straight path from 4 m/s to 0 m/s in 25.0 s. Find the acceleration. 0.16 m/s2 6.25 m/s2 -6.25 m/s2 -0.16 m/s2

Physics · High School · Sun Jan 24 2021

Answered on

Given:

Vf = 0 m/s

Vi = 4 m/s

t = 25.0 s

Determine the acceleration.

Formula for acceleration:

a = ( vf - vi )/t

a = acceleration

vf = final velocity

vi = initial velocity

t =time

Solution:

Subsitute the given values of final velocity, initial velocity and time to the formula for acceleration.

a = ( vf - vi )/t

a = ( 0 m/s - 4 m/s )/25 s

a = ( -4 m/s ) / 25s

a = - 0.16 m/s^2

Final answer:

a = - 0.16 m/s^2

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