Question

Q2: A particle is moving in a circular path of radius r. The displacement after the half
circle would be
a) Zero
b) πr
c) 2πr
d) 2r​

Answer 1

Answer:

d) 2r

Explanation:

Given :

• Radius of the circular path = r

• A particle covers half of the circular track by travelling

To find :

• Displacement after half of the circle

After half of the circle the particle would be at the diametrically opposite end of the starting point.

Here so the diameter will be equal to the Displacement of the particle

Diameter = 2×radius

So Displacement = 2r

d) 2r is the correct option for this question