Question

a particle moves in a circle of radius R, with a constant speed v. Then, during a time interval [πR/3v], which of the following is true? ​

Answer 1

Given:

a particle moves in a circle of radius R, with a constant speed v. During a time interval [πR/3v],  

To find:

Then, during a time interval [πR/3v], which of the following is true? ​

Solution:

From given, we have,

A particle moves in a circle of radius R, with constant speed v. During a time interval [πR/3v], which of the following is true? ​

The average acceleration is given by,

a = v / t

where v is the average velocity and t is the time taken

a = v / (πR/3v)

a = 3v² / πR