Question

A particle is moving along x - axis whose position is varying with time according to the relation x = 3t + t3 where x is in metres and t is in seconds. The displacement of particle for t = 1s to t= 3s is A) 16m B) 26m C) 20m D) 22m
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Answer 1

Answer:

don't know

sorry

sorry

sorry

Answer 2

Answer:

answer is 20

Explanation:

This question is as simple as the just substituting the values (that’s what I think, doesn’t have to be right). So we get

For t=1

x=−3+1=−2

For t=3

x= -9+27=18

Adding both we get +16 . The answer given is 20

Hope it helps you