Question

The position x of a particle with respect to time t along x-axis is given by where x is in metres and t is in seconds. What will be the position of this particle when it achieves maximum speed along the + x direction?

A

54 m

B

81 m

C

24 m

D

32 m

Medium
Solution
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Correct option is A)

Given that,
.....(I)
We know that,

The maximum speed is
maximum, at
The time will be
The position of the particle at 3 sec
Put the value of t in equation (I)
The position of the particle will be .
Hence, Option A is correct

Solve any question of Motion in a Straight Line with:-
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