Question

31) A body of mass m=3kg is moving along the x-axis with a speed of 5ms".
The magnitude of its momentum is reduced as
a) 15 kg cms b) 159 cms C 15kg ms
d) 159 ms​

Answer 1

Explanation:

Momentum=mv=3.513×5.00=17.565≈17.57

≈17.6kgm/s

(Since 5.00 contains least no. of significant figures i.e. 3)