For some radio signals, it is preferable to use waves with a greater wavelength. The advantage of using a longer wavelength is that the signals

If forces acting on an object are unbalanced, which factors may result fron an unbalanced force? check all that apply

An architect plans to use solar energy to heat the next house he designs. what principle of absorption and infrared energy can be applied to the design of the new house? how could she apply to those principals?

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up