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A car is moving at 10 m/s and accelerates at 4 m/s2. How fast is the car going after 4

seconds?

User Lubstep
by
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1 Answer

1 vote

Use the kinematics formula:
v = v_0+at

Your initial velocity is 10 m/s. Your acceleration is 4 m/s². The time elapsed is 4 s. And so,


v=10+4(4) \\v= 26 \text{ m/s}.

User Cherrie Wilson
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6.4k points