You volunteer to travel to a newly discovered planet about 30 light years from earth. At what speed do you need to travel to reach the planet in 6 years?​

Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic

What causes the formation of ocean currents?

Two steel balls, each of mass m, are welded to a light rod of length l and negligible mass and are initially at rest on a smooth horizontal surface. a horizontal force of magnitude f is suddenly applied to the rod as shown. determine (a) the instantaneous acceleration a of the mass center g and (b) the corresponding rate at which the angular velocity of the assembly about g is changing with time.