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As a block falls through the air by 40 meter it does work equal to -1800 joule. Determine the mass of a block.

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Answer:

m = 4.5 kg

Explanation:

w = - 1800 j

Fd = - 1800 j

mgd = - 1800 j

m = - 1800 ÷(gd)

m = - 1800 ÷( 10×-40)

m = 4.5 kg

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