Question

Find the mass of a car that is travelling at a velocity of 60 m/s North. The car has 6, 025, 000 J of kinetic energy.

Answer 1

For this problem, lets use the kinetic energy formula

$KE=\frac{1}{2}mv^2$

Where m is equal to mass and v is equal to velocity

In our given, we have:

velocity = 60 m/s

kinetic energy = 6,025,000 J

Plug these numbers into the formula to get the mass

$6,025,000=\frac{1}{2}m(60)^2$$\frac{6025000}{60^2}=\frac{1}{2}m$$1673.611=\frac{1}{2}m$

m = 3347.222 kg