Question on: JAMB Physics - 2021
A car of mass 800kg attains a speed of 25m/s in 20secs. The power developed in the engine is?
A
1.25 x 10\(^{4}\)W
B
2.50x 10\(^{4}\)W
C
1.25 x 10\(^{6}\)W
D
2.50 x 10\(^{6}\)W
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Correct Option: B
Power, P = \(\frac{mv^{2}}{t} = \frac{800 \times 25 \times 25}{20}\)
2.5 x 10\(^{4}\)W
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