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Physics

Answered

As a block falls through the air by 40m it does work equal to 1800J. determine the mass of the block?

Answer :

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Answer:

4.5kg

Explanation:

Work(w)=force(m)×distance(d)

force = mass × acceleration(A)

W=1800J,Mass=m, A=10m/s^2(constant value),distance=40m

1800=m×10×40

1800=400m

divide both sides by 400

m=1800/400

m=4.5kg

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