A missile was to be launched at an angle 15 degree to the horizontal with an initial velocity to hit a target 300m away. Calculate initial velocity and the maximum height

Ahydroelectric plant takes energy from water and turns it into electrical energy. what are the transformations of energy in the water molecules that are used in the process of generating electricity this way?

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

Asmall object with mass 0.200 kg swings back and forth on the lower end of a light rope that is 3.00 m long. the upper end of the rope is attached to the ceiling. as the object swings through its lowest position, where the rope is vertical, the speed of the object is 5.80 m/s. at this point in the motion, what is the tension in the rope? (use g = 9.80 m/s2.)