Question

A particle starts from rest from x 2 m at t =0 along positive x-axis with acceleration of 2 ms-2. The position of particle at t = 2 s is
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Answer 1

Given : A particle starts from rest from x = 2 m at t = 0 along positive x-axis with acceleration of 2 m/s².

To Find : The position of particle at t = 2s

Solution:

starts from rest  

u = 0

a = 2 m/s²

t = 2 s

S = ut + (1/2)at²

= 0 * 2 + (1/2)2 (2)²

= 4

Displacement = 4 m

Displacement  = Final position - Initial position

=> 4 = Final position - 2

=> Final position = 6

The position of article at t =2  is   6  m

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