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Standard VI

Physics

Speed

On a weekend ...

Question

On a weekend Himanshu went out on a long drive. From 10:00 PM to 11:00 PM he drove at 40 km/h and from 11:00 PM to 12 midnight at 50 km/h. Using the formula for speed, calculate the average speed of Himanshu from 10:00 PM to 12 midnight?

50 km/h

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45 km/h

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40 km/h

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90 km/h

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Solution

The correct option is B
45 km/h

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On a weekend Himanshu went out on a long drive. From 10:00 PM to 11:00 PM he drove at 40 km/h and from 11:00 PM to 12 midnight at 50 km/h. Using the formula for speed, calculate the average speed of Himanshu from 10:00 PM to 12 midnight?

The correct option is B 45 km/h

The correct option is B
45 km/h