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Determining the kinetic energy of falling rock

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Reference no: EM132119686

1) Evaluate (5.0000 * 10^7)(3.80 * 10^-16). Report 2 decimals for result

2) 1,400 kg car moving at 7.0 m/s is stopped by action of it braces. The work done by the car braces is .....Joules. Response in 2 decimals.

3) The total energy of 5.0 kg failing rock is 5000J. If its potential energy 2,250J , the kinetic energy of the rock is ....J(joules) ...response in 2 decimals

4) If the kinetic energy of 4,6 kg falling rock is 2,970j, the rock speed is what? in m/s ...report in 2 decimals

Reference no: EM132119686

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