Arun is travelling with his friends in a car. The car suddenly stops due to some problem in the engine. If Arun and his friends apply a force of 1000 N to drag the car to the nearest garage that is 1.2 km from that place, determine the total power required if the dragging time is 20 minutes.

2000 watts

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3000 watts

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1000 watts

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500 watts

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Solution

The correct option is C
1000 watts

As work done is force $\times$ displacement

Power = $\frac{w o r k d o n e}{t i m e}$

Power = $\frac{1000 \times 1200}{20 \times 60}$

= 1000 Watts

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Arun is travelling with his friends in a car. The car suddenly stops due to some problem in the engine. If Arun and his friends apply a force of 1000 N to drag the car to the nearest garage that is 1.2 km from that place, determine the total power required if the dragging time is 20 minutes.

The correct option is C 1000 watts As work done is force × displacement Power = work donetime Power = 1000×120020×60 = 1000 Watts

The correct option is C
1000 watts

As work done is force $\times$ displacement

Power = $\frac{w o r k d o n e}{t i m e}$

Power = $\frac{1000 \times 1200}{20 \times 60}$

= 1000 Watts