# Physics

A 5.o kg box is lifted to a height of 10 meters at a constant speed.
a)How much power is required to complete this task in 10 seconds?
b)Calculate the velocity of the box just as it hits the ground?

i have the answers but i need a second opinion
a)50 watts
b)?

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2. 👎
3. 👁
1. 88 watts , but im not sure

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2. 👎

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