Question

A ball attached to a string is whirled around in a horizontal circle having a radius R. If the radius of the circle is
changed to 4R and the same centripetal force is applied by the string, the new speed of the ball is which of the
following?
(A) One-quarter the original speed
(B) One-half the original speed
(C) The same as the original speed
(D) Twice the original speed

Answer 1

Answer:

Explanation:

Twice the original speed.