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zubka84 [21]
3 years ago
6

you and 3 friends apply a combined force of 489.5n to push a piano. The amount of work done is 1762.2j. What distance did the pi

ano move
Physics
1 answer:
aleksandr82 [10.1K]3 years ago
5 0

Answer: 3.6m

Explanation:

Work done = force * distance

Distance = workdone / force

D= 1762.2J / 489.5n

D= 3.6m

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A cabbie is trying to stop when he notices a fare is whistling them over. The
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\boxed{\sf K.E=\dfrac{1}{2}mv^2}

\\ \sf\longmapsto 18750=\dfrac{1}{2}2100v^2

\\ \sf\longmapsto 18750=1050v^2

\\ \sf\longmapsto v^2=\dfrac{18750}{1050}

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\\ \sf\longmapsto v=\sqrt{17.85}

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