. What is the mass of an object if it is pulled by a 5 Newton force and it accelerates at a rate of 20 m/s/s? Please help ASAP

Which articulations allow for greatest range of motion?

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?

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat