Q.
A body moves with initial velocity 10m/s. If it covers a distance of 20m in 2s, then the acceleration of the body is………..
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a
2 m/s2
b
5 m/s2
c
0 m/s2
d
20 m/s2
answer is C.
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Detailed Solution
Given that u=10 m/ss=20m t=2s= a=? From equation s=ut+12at2⇒20=(10×2)+12a(2)2⇒20=20+2a⇒2a=0⇒a=0m/s2
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