# science

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how far will 350 jules raise a block weighing 7n

• science -

350 J = M g H
M g = 7 N
Height H = 350/7 = 50 m

• Science -

how much work can be done by a 50 w motor in 5 seconds?

• science -

How far will 490 j raise a block weighing 7 n

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