Daisy raises 10.Kg to a height of 2.5 meters in 2.0 seconds. (a) How much work did she do? (b) How much power was expended? (c) If she raises it in 1.0 s rather than 2.0 s, how do the work and power change?

What will be an ideal response?


(a) 0.25 kJ
(b) 0.12 kW
(c) same work but power doubles

Physics & Space Science

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