A car goes straight from a point A to a point B with a velocity of 40 km / hr and returns back with a velocity of 60 km / hr. The average velocity during the whole journey is
a) 0 km / hr
b) 48 km / hr
c) 50 km / hr β
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Answer:
c) 50km/hr.
Explanation:
Average velocity = total displacement / total
=60+40/2
=100/2
=50km/ hr.
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