A displacement s v/s time t curve of a particle is shown in the figure. The maximum instantaneous velocity vm of the particle is around the point
A
S with vm≈2m/s
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B
R and vm≈2m/s
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C
Q and vm≈1m/s
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D
R and vm≈0.5m/s
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Solution
The correct option is BR and vm≈2m/s The slope of the displacement – time graph is maximum at R. It is easy to see that the slope decrease on the left as well as on the right of R.
The velocity at R is vm=ΔsΔt≈0.50.25=2m/s