A 2-kg object is moving horizontally with a speed of 4 m/s. How much net force is required
to keep the object moving at this speed and in this direction? Explain.

Gam radio signals can usually be heard behind a hill, but fm often cannot. that is, am signals bend more than fm. explain. (radio signals, as we shall see, are carried by electromagnetic waves whose wavelength for am is typically 200 to 600 m and for fm about 3 m.)

Which atomic model was proposed as a result of j. j. thomson’s work?

State the following: boyle's law and charle's law