Momentum Physics│Please Help!

Question

Which car has the most kinetic energy?

a.2 kg car driving at 5 kph

b.2 kg car driving at 5 kph

c.4 kg car driving at 5 kph

d.4 kg car driving at 5 kph

e.2 kg car driving at 10 kph

f.4kg car driving at 10 kph

Answer 1

Hi Aiden,

KE=0.5mv^2

Plug the quantities into the equation for all six answer choices and you'll find that answer f has the largest quantity.

I hope this helps!