Question : A car travels half the distance with constant velocity of 40 𝑘𝑚𝑝ℎ and the remaining half with a constant velocity of 60 𝑘𝑚𝑝ℎ. The average velocity of the car in 𝑘𝑚𝑝ℎ is
(A) 40
(B) 45
(C) 48
(D) 50
Answer : option (C)
Solution :
A car travels half the distance with constant velocity of 40 𝑘𝑚𝑝ℎ and the remaining half with a constant
velocity of 60 𝑘𝑚𝑝ℎ. The average velocity of the car in 𝑘𝑚𝑝ℎ is
with
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