If a boy lifts a mass of 6kg to a height of 10m and travels horizontally with a constant velocity of 4.2m/s, calculate the work done? Explain your answer.

Explanation:

W = mgh = 6(9.8)(10) = 588 J

The horizontal motion has no work associated with it as no potential energy or kinetic energy increases occur.

with 5 seconds, no, but over time if the police car stays at 65m/s ad the speeding car stays at 60, then obviously yes, but the answer to your question would be, no.

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a displacement distance is size of displ