Question

1) A 10kg bowling ball is travelling 5 m/sdown a bowling alley. Calculate the kineticenergy of the bowling ball.

Answer 1

The kinetic energy is given by:

`K=(1)/(2)mv^2`

then, in this case we have:

`K=(1)/(2)(10)(5)^2=125`

Therefore the kinetic energy of the ball is 125 J