A police officer uses a radar gun to determine the speed of a car. A specialized radar gun uses ultraviolet light to determine the speed. What describes the wave used? check all that apply.

transverse
longitudinal
heat
electromagnetic
sound

High schoolphysics 5+3 pts a neon light consists of a glass tube with metal wires at each end. when connected to a high-voltage source, the gas glows. if a fly lands on the glass tube, what will most likely happen? a) the fly will not feel a shock because the glass conducts any free electrons back into the gas. b) electrons will flow directly from the metal wires along the glass and shock the fly. c) the fly will not feel a shock because the glass insulates it from the electrons in the gas and the metal. d) electrons that are moving through the gas will be conducted through the glass and shock the fly.

If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration