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CBSE Class 11-science Answered

A particle starts with an initial velocity 2 m/s along the positive x direction and it accelerates uniformly at the rate 1m/s2. Find the following: (a) Distance traveled by it in the first two seconds (b) How much time it take to reach the velocity of 5 m/s (c) How much distance will it cover in reaching the velocity 5 m/s
Asked by Topperlearning User | 17 Apr, 2014, 02:18: PM
answered-by-expert Expert Answer

we have

(a) S = ut +1/2 a t2
          = 2  2 + ½   1  (2)2
           =   4 + 2
            = 6m
(b) Time taken to reach the velocity of 5 m/s is:
 v = u + at
5 =  2 + 1  t
t = 3 seconds
(c) Distance covered on reaching the velocity of 5 m/s is:
Answered by | 17 Apr, 2014, 04:18: PM

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