A crane operator on a building site slowly raises a loaded a crate mass 750kg at a steady speed.(F=mg).Where g=acceleration due to gravity(Approximately=10m/s20).
a. What is the weight of the crate
b. How much is work is done by the force in raising the crate to a height of 5m
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it's a question like.
Explanation:
a plane is moving at a speed of 200 km/h find the age of pilot.
sorry for the joke but i don't know the answer.
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