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Science URGENT help please

Piano movers hoist a 200 kg piano 10 m high in 30 s using a rope and simple pulley. What is their power output?
(Points : 1)
70 W

700 W

7,000 W

6 × 10^5 W

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Phil

  1. 700 W

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    Gianna

  2. Thank you!

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    Noah

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