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Kamila [148]
3 years ago
10

A piano with a mass of 130 kg is lifted 10m above the ground in 5 s by a crane.

Physics
2 answers:
hammer [34]3 years ago
7 0
The 2548 watts should be the power that is used by the crane according to the formula
Sergio [31]3 years ago
6 0

<em>power = 2548 \: watt \\ solution \\ mass = 130 \: kg \\ distance = 10m \\ time = 5 \: sec \\ power =  \frac{w}{t}  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  =  \frac{f \times d}{t}  \\  \:  \:  \:  \:  \:  \:  \:  \:  =  \:  \frac{m \times g \times d}{t}  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  =  \frac{130 \times 9.8  \times 10}{5}  \\  \:  \:  \:  \:  \:  \:  \:  \:  =  \frac{12740}{5}  \\  \:  \:  \:  \:  \:  = 2548 \: watt \\ hope \: it \: helps</em>

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