2846982279 2846982279

02-11-2020
Physics

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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

Respuesta :

felixkings felixkings

02-11-2020

Answer:

[tex]\boxed{p = {7.4 \times 10}^{2} W} \to \: option \: c.[/tex]

Explanation:

[tex]his \: power \: is \to \\ p = \frac{mgh}{t} \\ p = \frac{1.0 { \times 10}^{2} \times 1.5 \times 9.8}{2.0} \\ p= 735 \\ \boxed{p = {7.4 \times 10}^{2} }[/tex]

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