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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.

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.

Grade:9

3 Answers

Vikas TU
14149 Points
7 years ago

Apply formulae :

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

Saurabh Anand
38 Points
7 years ago

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

Bevkoof Singh
43 Points
7 years ago

78.4cm

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