Energy problem help

1. Dec 3, 2004

TriumphDog1

how can i calculate energy when all i am given is mass and velocity?

2. Dec 3, 2004

arildno

Square the velocity, and multiply with half the mass.
That gives you the kinetic energy.

3. Dec 3, 2004

elote

in other words, $$K.E. = \frac{1}{2} mv^2$$

Last edited: Dec 3, 2004
4. Dec 3, 2004

thanx alot