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The changes in displacement in three consecutive instances are 5 m, 4 m, 11 m, the total time taken is 5 s. What is the average velocity in m/s?(a) 1(b) 4(c) 7(d) 6The question was posed to me at a job interview.The origin of the question is Straight Line Motion in chapter Motion in a Straight Line of Physics – Class 11

Answer»

Correct answer is (b) 4

Best explanation: The total change in DISPLACEMENT = 20 m. Total TIME taken = 5 s. Average velocity = total change in displacement/total time taken = 20/5 = 4 m/s.



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