STANDARDPhysics-Motion in a Straight Line
STANDARD Physics Average Speed MCQ Question
Type: MCQ-numerical-Medium-Class 11
A vehicle travels half the distance L with speed v₁ and the other half with speed v₂, then its average speed is
A
v₁ + v₂ / 2
B
2v₁v₂ / v₁ + v₂
C
2v₁v₂ / (v₁ + v₂)
D
L(v₁ + v₂) / v₁v₂
Correct Answer
Option C
Detailed Explanation
The time taken to travel each half of the distance is calculated separately, and the total time is the sum of these. The average speed is the total distance divided by the total time taken, which simplifies to 2v₁v₂ / (v₁ + v₂).
Found an issue with this question?