Question

AN OBJECT OF 100KG IS ACCELERATED UNIFORMLY FROM A VELOCITY OF 5M/S TO 8M/S IN 6SECOND .CALCULATE THE ACCELERATION
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Answer 1

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Answer 2

Step by step Explanation:

Initial momentum = 100 kg x 5 m/s = 500 kg m/s

Final momentum = 100 kg x 8 m/s = 800 kg m/s

Change in momentum = 800 - 500 = 300 kg m/s

Force exerted = change in momentum/time = 300 kg m/s / 6 s = 50 kg m/s2 = 50 N