Q: A car travels a total distance L. It travels half the distance with speed v₁ and the other half with speed v₂. The average speed of the car is:
(a)(v₁ + v₂)/2
(b)2v₁v₂/(v₁ + v₂)
(c)(v₁ + v₂)L/(2v₁v₂)
(d)0
Correct Answer: (b)
Loading...
Loading...
Q: A car travels a total distance L. It travels half the distance with speed v₁ and the other half with speed v₂. The average speed of the car is:
Correct Answer: (b)