A car accelerates along a straight road from rest to 21 m/s in 5s?
Luis rides a bicycle at 6 m/s north. fifteen (15) second later, he is driving at 3 m/s north. what is luis' acceleration?
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A car accelerates along a straight road from rest to 21 m/s in 5s?
Luis rides a bicycle at 6 m/s north. fifteen (15) second later, he is driving at 3 m/s north. what is luis' acceleration?
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ANSWER:
4.2 m/s
EXPLANATION:
A car accelerates along a straight road from rest to 21 m/s in 5 sec. To find : the magnitude of its average acceleration is... solution : initial velocity of car, u = 0 [ as car starts motion from rest. ] Therefore the acceleration of car is 4.2 m/s