Question

a rocket of mass m is moving with a velocity v if its velocity become three time calculate the change in its kinetic energy

Answer 1

Heya mate!

Here's your answer-:

$KE1 = > \frac{1}{2} m {v}^{2}$

$KE2 = > \frac{1}{2} m {v}^{2}$

$= > \frac{1}{2}m {(3)}^{2}$

$= > \frac{1}{2} m9$

Hence comes ur answer☺

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