February 28, 2017

Homework Help: physics

Posted by alex on Tuesday, February 28, 2012 at 10:26am.

As part of a training schedule a weightlifter pushes a heavy metal block
along the floor. The lifter applies a force of 850 N downwards on the block
at an angle of 65° to the vertical (25° to the horizontal). The weightlifter
pushes the block forwards 4 m in 1.6 s. Calculate the power output of the
weightlifter when moving the block 4 m forwards. [10 marks]

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