Question

A particle travels the first half of its total distance along a straight line with a speed 'v' kmph and the next
half, with a speed of 60 kmph. If the average speed for the journey is 40 kmph, the value of vis
a) 50 kmph
b) 30 kmph
c) 20 kmph
d) 35 kmph [ ]
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Answer 1

Answer:

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Explanation:

The answer is (a)

Answer 2

Answer:

A car travels half of the distance with constant velocity 40 km/h and another half with a constant velocity of 60 km/h along a straight line. The average velocity of the car is

Explanation:

answer 48 kmph