A 10 kg wagon is pushed by 7 N for 1.5 s, then 5 N for 1.7 s, then 10 N for 3 s in the same direction. Total change in velocity is:
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A 10 kg wagon is pushed by 7 N for 1.5 s, then 5 N for 1.7 s, then 10 N for 3 s in the same direction. Total change in velocity is:
Options