Q.

If the velocity-time graph of a particle is represented by y = mt + c, then the particle is moving with–

A. constant speed
B. constant velocity
C. constant acceleration
D. varying acceleration
Answer» C. constant acceleration
Explanation: In this case the given equation shows that that the velocity is linear with time and therefore the particle is moving with constant acceleration because for a particle to acquire constant acceleration the graph of the velocity time graph should be in linear with the time function.
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