A car travels first 30 km at a uniform speed of 30 kmph and next 30 km at a uniform speed of 60 kmph. Calculate the average speed of the car.
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The time taken is: ⇒T=75min. Option B is correct. A car travels first 30 km with a uniform speed of 60kmh−1and then next 30 km with a uniform speed of 40kmh−1.
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The time taken is: ⇒T=75min. Option B is correct. A car travels first 30 km with a uniform speed of 60kmh−1and then next 30 km with a uniform speed of 40kmh−1.
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