Question

A particle Travels the first half of its Total distance along a straight line with a speed V kilometre per hour then next half with a speed of 60 km per hour the average speed for the total journey is 40 kilometre per hour then value of v is​

Answer 1

Answer:

20 km/hr

Explanation:

average speed= (v+60)/2

40=(v+60)/2

80-60=v

v=20km/hr