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Grade 9Mechanics

A body travels 200cm in the first 2sec and 220cm in the next 5sec. calculate the velocity at the end of the seventh second from the start.

Profile image of ankit kumar
13 Years agoGrade 9
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3 Answers

Profile image of Vikas TU

Vikas TU

13 Years ago

Apply formulae :

S = u/2 + (n - 1)a/2t^2

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Saurabh Anand

13 Years ago

11.2 mps...if the intial vel is zero and the acc is constant but diffrnt in both cases..