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labwork [276]
3 years ago
14

A crane lifts 1800kg mass through a vertical height of 6cm in 9 seconds, Taking (g) as 10N/kg. what is the cranes power output?​

Physics
1 answer:
valkas [14]3 years ago
6 0

Explanation:

power output=(1800×10×0.06)/9=120watts

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Explanation:

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soldi70 [24.7K]

Answer:

The correct option is (b).

Explanation:

We need to find the work done to increase the speed of a 1 kg toy car by 5 m/s.

We know that, the work done is equal to the kinetic energy of an object i.e.

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So, 12.5 J of work is done to increase the speed of a 1.0 kg toy car by 5.0 m/s.

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