A car of mass 800kg attains a speed of 25m/s in 20secs. The power developed in the engine is?
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Correct Answer: Option B
Explanation:
P = \(\frac{mv^{2}}{t} = \frac{800 \times 25 \times 25}{20}\)
2.5 x 10\(^{4}\)W
P = \(\frac{mv^{2}}{t} = \frac{800 \times 25 \times 25}{20}\)
2.5 x 10\(^{4}\)W