body moving with a constant acceleration travels the distances 3m and 8m respectively in 1sec and 2sec . calculate the initial velocity and acceleration of body
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Answer:
A body moveing with a constant acceleration travel the distance 3 and 8 metre respectively in one second and two second calculate
1_the initial velocity
2_the acceleration of the body
Explanation:
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Answer:
initial velocity = 0.5 m/s
Explanation:
S = u + (1/2)a(2n -1)
S - u = (1/2)a(2*1 -1)
S-u = (1/2)a
(3-u)2 = a ...................(1)
S = u + (1/2)a(2n -1)
S - u = (1/2)a(2*2 -1)
S - u = (1/2)3a = (3/2)a
8 - u = (3/2)(3-u)2 = 3(3-u)
8 - u = 9 - 3u
-u + 3u = 9-8
2u = 1
u = 1/2 m/s = 0.5 m/s
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