A stone tied to the end of the string 100 cm long is whirled in a horizontal circle with a constant speed. If the stone makes 30 revolution in 15 s. Calculate the magnitude and direction of acceleration of the stone.

A stone tied to the end of the string 100 cm long is whirled in a hori

1.	A stone tied to the end of the string 100 cm long is whirled in a horizontal circle with a constant speed. If the stone makes 30 revolution in 15 s. Calculate the magnitude and direction of acceleration of the stone.
Answer» SOLUTION :`a=r(2pin)^(2) =1 XX 4PI^(2) xx 2^(2) = 157.76 m//s^(2)`