While driving the HMMWV you notice that the engine is overheating. When you stop and open the hood, you notice the radiator fan is not turning. Which of the following is an appropriate action to help cool the engine

Name two kinds of practical electric pumps.

The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656(red) and 486 (blue). light from a hydrogen lamp illuminates a diffraction grating with 500 lines per mm, and the light is observed on a screen 1.50 behind the grating. what is the distance between the first-order red and blue fringes?

Describe the three ray tracing steps used to identify an image for the given situation.