A weight lifter lifts a 1.0 x 102 kg mass 1.5 m in 2.0 s. The power is? A. 9.8 W b B 1.A5 x 103 W C.B 7.4 x 102 W D. 4.9 x 102 W

asked Apr 3, 2021 122k views

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A weight lifter lifts a 1.0 x 102 kg mass 1.5 m in 2.0 s. The power is?

A. 9.8 W b B 1.A5 x 103 W C.B 7.4 x 102 W D. 4.9 x 102 W

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Answer:

$\boxed{p = {7.4 * 10}^(2) W} \to \: option \: c.$

Step-by-step explanation:

$his \: power \: is \to \\ p = (mgh)/(t) \\ p = \frac{1.0 { * 10}^(2) * 1.5 * 9.8}{2.0} \\ p= 735 \\ \boxed{p = {7.4 * 10}^(2) }$

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