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Physics, 09.06.2021 08:30 dessyrob05

A man powered 30kg lawnmower is being pushed, from rest, with a force of 50N at an angle of 30 degrees below the horizontal for 10m on a level lawn in 5s. The force of friction is 20N. Find the average power output of the man on the lawnmower.
How fast is the lawnmower moving at 5 seconds?
Determine the power output of the man at exactly 5 seconds.

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