A car travels on paths A, B, and C within the same time duration and has average velocities vA,vB,andvc, respectively. These paths pass through a group of equally spaced lines. Identify the average velocities of the car in the respective order.
A
vA=vB=vC
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B
vA>vB<vC
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C
vA>vB>vC
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D
vA<vB<vC
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Solution
The correct option is AvA=vB=vC Average velocity=Total displacementTotal time
Therefore, vA=vB=vC
The time taken to cover all the paths is the same.
So,
Average velocity ∝ Total displacement
Displacement for path A = Displacement for path B = Displacement for path C
As the displacement and time are the same for all the paths, the average velocities will also be the same.