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JEE Main Physics question

PhysicsMotion in a Straight LineJEE Main

Select the incorrect statements from the following [AMU (Med.) 2010] S1: Average velocity is path length divided by time interval S2: In general, speed is greater than the magnitude of the velocity S3: A particle moving in a given direction with a non-zero velocity can have zero speed S4: The magnitude of average velocity is the average speed

Answer: (A),(B),(C),(D)

Solution

S1 is wrong (that is the definition of average *speed*, not velocity). S2 is wrong (instantaneous speed always exactly equals the magnitude of instantaneous velocity, never "greater than").

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Question ID VK-152271