3.10. If the position vector of the particle is given by F = 31² + Sij + 4k Find: (a). The velocity of the particle at t = 3 s (b). Speed of the particle
at t = 35 (c), acceleration of the particle at time t = 3 s​

Does any one know what real love is and would anyone be willing to share it with me?

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?

Two identical stars with mass m orbit around their center of mass. each orbit is circular and has radius r, so that the two stars are always on opposite sides of the circle. (a) find the gravitational force of one star on the other. (b) find the orbital speed of each star and the period of the orbit. (c) how much energy would be required to separate the two stars to infinity?