A body is moving with uniform acceleration covers 200 m in the first 2 s and 220 m in the next 4 s. find the velocity in ms−1 after 7 s.

Question : A body is moving with uniform acceleration covers 200 m in the first 2 s and 220 m in the next 4 s. find the velocity in ms−1 after 7 s.

(A) 10

(B) 15

(C) 20

(D) 30

Answer : option (A)

Solution :

A body is moving with uniform acceleration covers 200 m in the first 2 s and 220 m in the next 4 s. find the velocity in ms−1 after 7 s.
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