Question

7. A particle is moving on a circular path with constant
speed v. It moves between two points A and B,
which subtends an angle 60° at the centre of circle.
The magnitude of change in its velocity and change
in magnitude of its velocity during motion from A to
B are respectively
(1) Zero, Zero
(2) V, 0
(3) 0, v
(4) 2V, v​

Answer 1

Explanation:

2v , v is the right answer