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प्रश्न
The engine of a car develops a power of 5 HP and force 500 N while running a uniform speed S. Calculate the value of S.
संख्यात्मक
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उत्तर
P = Fv
\[ v = \frac{P}{F} \]
Taking 1 HP = 750 W, the power is P = 5 × 750 P = 3750 W
\[ v = \frac{3750}{500} \]
v = 7.5 m s−1
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