A car moves with an initial velocity of 25 ms-1 and reach...
A car moves with an initial velocity of 25 ms-1 and reaches a velocity of 45 ms-1 in 10s. what is the acceleration of the car?
2 ms-2
5 ms-2
20 ms-2
25 ms-2
Correct answer is A
Acceleration = (increase in velocity)/time taken
= (45 - 25)/10 = (20)/10 = 2ms-2
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