# The velocity of a body, moving in a plane, changes from 3î to 3î + 7&jcirc; in 10s. What is the acceleration of the body?

Category: QuestionsThe velocity of a body, moving in a plane, changes from 3î to 3î + 7&jcirc; in 10s. What is the acceleration of the body?
Editor">Editor Staff asked 1 year ago

The velocity of a body, moving in a plane, changes from 3î to 3î + 7&jcirc; 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;

The question was asked in an interview for internship.

My question comes from Motion in a Plane with Constant Acceleration topic in portion Motion in a Plane of Physics – Class 11
Select the correct answer from above options
Interview Questions and Answers, Database Interview Questions and Answers for Freshers and Experience

Editor">Editor Staff answered 1 year ago

The correct answer is (a) 0.7&jcirc;

To explain I would say: The acceleration of a body is the rate at which the velocity changes with time. Here, the change in velocity is 7&jcirc;. The total time taken is 10s. Hence, the acceleration = change in velocity/time = 0.7&jcirc;.

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