A rock tied to a rope is used as a crude weapon in an ancient battle. The rock has a mass of 93o grams and is rotated horizontally at the rate of 270 revs/min. The radius of rotation is 1.40 meters. What is the linear speed which the warrior releases the weapon once he lets go?
1revolution=360=2radians
v=rw
Where v is linear velocity; r is the radius, and w is the angular velocity
39.6 m/s
77.0 m/s
378 m/s
112 m/s