1.

For an object moving with uniform acceleration ,travelling 50 m in 5th sec ,70m in 7th sec. a) Its initial velocity is 5 m/s b)Its acceleration is 20 m//s^(2) c) Its travels 100 m in 9th sec d)Its average velocity during 9th sec is 90 m/s

Answer»

a is ture
a & d are TRUE
a & B are true
a & C are true

Answer :B


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