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OpenStudy (anonymous):
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
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OpenStudy (ashleyisakitty):
Kin energy =.5mv^2. KE=900x10^3 J, v=30 m/s, so m=2,000 kg.
OpenStudy (trancenova):
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 :)
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