Question

Two bodies have masses in the ratio of 1:3 and their kinetic energies in the ratio 3:4.
Find the ratio of their velocities.

Please answer I will mark you brainliest if your answer is good

Answer 1

Answer:

Correct option is

B

1:3

m

2

m

1

=

1

3

and

KE

2

KE

1

=

3

1

2

1

m

2

v

2

2

2

1

m

1

v

2

1

=

3

1

m

2

m

1

λ(

v

2

v

1

)

2

=

3

1

3(

v

2

v

1

)

2

=

3

1

v

2

v

1

=

9

1

=1:3