alexameyer04 alexameyer04

08-05-2020
Physics

contestada

if your car starts from rest and has an acceleration of 3.2 m/s2 how fast are you going after you have driven 20m

Respuesta :

Chelboy Chelboy

08-05-2020

Answer:8√(2) m/s

Explanation:

Initial velocity(u)=0

Acceleration(a)=3.2m/s^2

Distance(d)=20m

Final velocity(v)

v^2=u^2+2xaxd

v^2=0^2+2 x 3.2 x 20

v^2=128

Take them square root of both sides

v=√(128)

v=8√(2) m/s

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