A car has a mass of 2,000 kg and speeds up at a rate of 2 m/s? What is the net
force exerted on the car?

What do radio waves and microwaves have in common? both are at the side of the spectrum that has the shortest wavelengths. both are at the side of the spectrum that has the lowest radiant energy. both are at the side of the spectrum that has the lowest frequency. both are found next to visible light on the electromagnetic spectrum.

What pressure difference is required between the ends of a 2.0-m-long, 1.0-mm-diameter horizontal tube for 40 c water to flow through it at an average speed of 4.0 m/s?

If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.