The velocity of a body, moving in a plane, changes from 3î to 3î + – McqOptions

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1.	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.	0.7&jcirc;
B.	0.7î
C.	0.33î + 7&jcirc;
D.	0.3î + 7&jcirc;
Answer» B. 0.7î

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