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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
10 years ago

Apply formulae :

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

Saurabh Anand
38 Points
10 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
10 years ago

78.4cm

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