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A car is initially moving at 20 m/s. The car then accelerates at a rate of 5 m/s2.  How fast will the car be moving after 400 meters?
in Physics by Diamond (75,918 points)
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2 Answers

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Vf^2= Vi^2+ 2aX

Vf= SQUARE ROOT of (20)^2+ 2(5)(400)

= 66.332 m/s
by Wooden (2,662 points)
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Vf² = Vi² + 2ad

    = (20)² + 2(5)(400)

Vf = √4400

Vf = 66.33 m/s
by Wooden (954 points)

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