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

Question

Taylor Hickman

Physics

17 May, 08:13

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

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Answers (1)

Know the Answer?

Zachariah Rowe · Answer 1

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