Question

2 particles are moving with 5m/s and 5 km/hr. have same momentum.find the ratio of mass of first and mass of second in cgs​

Answer 1

Explanation:

We can relate kinetic energy and momentum of an object by the given equation,K

E

=

2m

p

2

As the momentum of both the objects are same i.e p

1

=p

2

K

E2

K

E1

=

2m

2

p

2

2

2m

1

p

1

2

=

m

1

m

2

=

1

5