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

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

(1) constant speed 

(2) constant velocity 

(3) constant acceleration 

(4) varying acceleration 


Answer: (3) 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. 

If the velocity-time graph of a particle is represented by y = mt + c, then the particle is moving with   (1) constant speed   (2) constant velocity   (3) constant acceleration   (4) varying acceleration


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