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mezya [45]
3 years ago
13

WILL GIVE BRAINLIEST!

Physics
1 answer:
ella [17]3 years ago
5 0
A. momentum = mass x velocity
b. kinetic energy = 1/2 x mass x velocity^2
Although total momentum is conserved, total kinetic energy is not necessarily equal. It’s because Jay acted a force on the skateboard and increased the energy of the system.

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Hope this helped!

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