At what angle will a cue ball on a pool table bounce back if the cue ball strikes the side of the table at an angle of 30°?

Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted

A2000 kg car is rounding a curve of radius 200 m on a level road. the maximum frictional force the road can exert on the tires of the car is 4000 n. what is the highest speed at which the car can round the curve?

The horizontal blue line through the middle of the lens is called the optical axis. as the lamp is moved above or below the axis, keeping the horizontal distance to the center of the lens constant, how does the horizontal distance from the lens to the image change?