1) A 4.5 cement block is blocking a prime parking spot at school. Lauren and Katie lift the block 0.9...
1) A 4.5 cement block is blocking a prime parking spot at school. Lauren and Katie lift the block 0.9 m and then carry the block 2.7 m out of the way. Calculate the work done by the 2 girls and calculate the work done by the force of gravity.
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