The velocity of a body, moving in a plane, changes from 3î to 3î + 7ĵ in 10s. What is the acceleration of the body?
A. 0.7ĵ
B. 0.7î
C. 0.33î + 7ĵ
D. 0.3î + 7ĵ
Answer:A
The velocity of a body, moving in a plane, changes from 3î to 3î + 7ĵ in 10s. What is the acceleration of the body?
A. 0.7ĵ B. 0.7î C. 0.33î + 7ĵ D. 0.3î + 7ĵ