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Ajeet Rao Randhawa
Asked: 2022-10-29T17:08:38+05:30 In:

A car of mass 500 kg is driven with acceleration 1 `m//s^(2)` along straight level road against constant external resistance of 1000 N. When the velocity is `5 m//s` the rate at which the engine is working is :
A. 5 kW
B. 7.5 kW
C. 2.5 kW
D. 10 kW

A car of mass 500 kg is driven with acceleration 1 `m//s^(2)` along straight level road against constant external resistance of 1000 N. When the velocity is `5 m//s` the rate at which the engine is working is :
A. 5 kW
B. 7.5 kW
C. 2.5 kW
D. 10 kW
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  1. Correct Answer – B

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