1.

A body moves with uniformly accelerated motion and travels 200 cm in the first two seconds and 220 cm in the next four seconds. What will be the velocity at the end of 7 seconds from start?

A. - 10 cm/s
B. 10 cm/s
C. 20 cm/s
D. 30 cm/s
Answer» C. 20 cm/s


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