Question

. A rocket is moving up with a velocity v. If the velocity of this rocket is suddenly tripled, what will be the ratio of two kinetic energies?​

Answer 1

Answer:

Answer

Initial velocity =v, then v

′

=3v (Tripled Velocity)

Initial kinetic energy =

2

1

mv

2

Final kinetic energy (K.E.)=

2

1

mv

′2

=

2

1

m(3v)

2

=9(

2

1

mv

2

)

∴ (K.E.)

initial

:(K.E.)

final

=

2

1

mv

2

:9(

2

1

mv

2

)=1:9

Answer 2

hope it will help you thanks