​Suppose a Particle Is Moving Along a Straight Line with a Speed

question 7

Multiple Choice

​Suppose a particle is moving along a straight line with a speed v for a time t,then stops for a time t,and then resumes moving along the original direction with speed v for time t.What has been the average speed of the particle for the total time period 3t?

• A)v
• C)1.5v

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