Question

A stone tied to the end of string of 80 cm long, is whirled
in a horizontal circle with a constant speed. If the stone
makes 25 revolutions in 14 s. Then, magnitude of accel-
eration of the same will be

(a) 650 cm/s^2
(b) 680 cm/s^2
(c) 750 cm/s^2
(d) 990 cm/s^2

Answer 1

Answer:

650 cm/s^2 is is a correct answer