Question: ( numbers 1 8 - 2 1 ) A 2 . 0 kg block is released from rest on a 3 0 degree incline. The

(numbers 18-21) A 2.0 kg block is released from rest on a 30 degree incline. The coefficient of kinetic friction between surface and block is 0.30. When the block has moved 1.0 meter along the incline:
18. The work done by gravity is
( numbers 1 8 - 2 1 ) A 2 . 0 kg block is

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