Anna pushes a box with a force of 8.00 newtons. She generates a power of 3.00 watts. How much time does it take for Anna to move the box the distance of 9.72 meters?

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Physics

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1 May, 00:39

Anna pushes a box with a force of 8.00 newtons. She generates a power of 3.00 watts. How much time does it take for Anna to move the box the distance of 9.72 meters?

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Rhett Hester · Answer 1

Power is the energy in a system per time. It will have units of Watts which is equal to joules per second. It can be expressed as:

P = E / t

where E = Force x distance

P = Fd / t

t = Fd / P

t = 8 (9.72) / 3.0

t = 25.92 s