A car moving at 30 m/s has 900 kj of kinetic energy from it's motion. What is the car's mass? (need the steps on how to work this out also) Thanks

Question

A car moving at 30 m/s has 900 kj of kinetic energy from it's motion. What is the car's mass? (need the steps on how to work this out also)  Thanks

ashleyisakitty · Answer

Kin energy =.5mv^2. KE=900x10^3 J, v=30 m/s, so m=2,000 kg.

trancenova · Answer

Hi looks like you accidentally posted in the wrong section.

You'll be sure to find an answer in physics- feel free to ask your question there. 

This question is closed as it is in the wrong section . You can find other subjects by clicking "find more subjects" above. If you have any questions about this feel free to ask :)