1.

A car of 1000 kg moves with a velocity of 10 m/s. On applying brakes it comes to rest in 5s. Then what are its initial momentum and final momentum?

Answer»

m = 1000 kg 

u = 10 m/s 

v = 0 

t = 5s 

Initial momentum = mu 

= 1000 × 10 = 10000 kg m/s

Final momentum = mV 

= 1000 × 0 = 0 Kg m/s



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