A particle moves in a circle of radius with constant speed

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Force and Translational Dynamics · Force and Translational Dynamics

Problem

A particle moves in a circle of radius

r

with constant speed

v

, taking time

T

for one revolution. If the radius is doubled while the speed remains unchanged, the new time period will (a)

\sqrt{2}\,T

(b)

2T

(c)

T

(d)

\dfrac{T}{2}