1.

The velocity of a body, moving in a plane, changes from 3 to 3 + 7ĵ in 10s. What is the acceleration of the body?

A. 0.7ĵ
B. 0.7
C. 0.33 + 7ĵ
D. 0.3 + 7ĵ
Answer» B. 0.7


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