Question

9. Velocity-time graph of a particle is shown in figure 2.24,
(1) What is the velocity of the particle at t = 80 s?
(ii) What is the net displacement of the particle?

Answer 1

Answer:

The particle has a constant acceleration because the slope of the curve is constant.

The particle turns around at t=10 seconds.

The particle has non zero displacement because the area above x-axis is not equal to area below the x-axis.

Average speed between the interval 0 to 10s is equal to the interval 10 to 20s because of the symmetry. slope is same also the magnitude of area under the curve is same

Explanation:

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