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Selina Solutions Class 9 Physics Solutions for Exercise 2C in Chapter 2 - Chapter 2 Motion In One Dimension
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A body, initially at rest, starts moving with a constant acceleration 2m/s^2 . Calculate: (i) the velocity acquired and (ii) and the distance travelled in 5s.
Answer:
Given: a= 2m/s^2 , u=0m/s, v=?; t=5s; s=?
(i) v=u+at
= 0 + 2x5
v = 10m/s
(ii) s =ut+ ½ at2
= 0(5) + ½ (2)(5)2
= 0 + 25
Distance travelled = 25m
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