Question

two bodies of masses 1kg and 9kg are moving with same velocities. what is the ratio of there kinetic energies​

Answer 1

Answer:

1:9

Explanation:

K=1/2mv

2

×

m

m

=

2m

p

2

P=

2km

so,

P

2

P

1

=

2km

2

2km

1

=

4

1

P

2

P

1

=

2

1

Ratio of momentum =1:2