Question

Calculate the velocity of a toy car of mass 250 G so as to have a momentum of 0.05kg m s^-1?

Answer 1

Explanation:

P = 0.05 kg/s

Mass =250g =250/1000=1/4 kg

P =1/2 mv^2

0.05 =1/2. 1/4. V^2

=5/100 = 1/8. V^2

1/20 = 1/8 v^2

8/20=v^2

4/10=v^2

$v = 2 \div \sqrt{10}$