A 0.70 kg ball on a 0.20 m string rotates in a circular path in a vertical plane. If a constant angular speed of 3.0 rad/s is maintained, what is the tension in the string when the ball is at the top of the circle? A. 0.8 N
B. 3.33 N
C. 5.64 N
D. 11.6 N

Aspecimen of oil having an initial volume of 580cm^3 is subjected to a pressure increase of 4.0 mpa, and the volume is found to decrease by 0.40 cm^3. (a) what is the bulk modulus of the material? (b) what is the compressibility of the material?

How is the gravitational force related to the distance between two objects?

Awind turbine is rotating counterclockwise at 0.5 rev/s and slows to a stop in 10 s. its blades are 20 m in length. (a) what is the angular acceleration of the turbine? (b) what is the centripetal acceleration of the tip of the blades at t=0s? (c) what is the magnitude and direction of the total linear acceleration of the tip of the blades at t=0s?