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Standard VI

Physics

Speed

A racing car ...

Question

A racing car covers A to B at a constant speed of 20 km/hr and returns from B to A at a constant speed of 30 km/hr. What is the average speed and the average velocity of the car for the entire journey, respectively?

20 km/hr, 20 km/hr

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24 km/hr, 0 km/hr

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0 km/hr, 24 km/hr

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25 km/hr, 0 km/hr

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Solution

The correct option is B
24 km/hr, 0 km/hr

.

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A racing car covers A to B at a constant speed of 20 km/hr and returns from B to A at a constant speed of 30 km/hr. What is the average speed and the average velocity of the car for the entire journey, respectively?

The correct option is B 24 km/hr, 0 km/hr .

The correct option is B
24 km/hr, 0 km/hr

.