Waves sometimes travel by squeezing together and then do what

If typical kitchen appliance uses 450 watts of power per day, about how many kilowatt hours will it use in 30 days? A. 14,000 kilowatt hours B. 360 kilowatt hours C. 13 kilowatt hours D. 11 kilowatt hours E. 320 kilowatt hours

Several glands add fluids to the sperm to form semen as it passes through the vas deferens. true or false?

Mars has a mass of about 6.4 x 1023 kg, and its moon Phobos has a mass of about 9.6 x 1015 kg. If the magnitude of the gravitational force between the two bodies is 4.6 x1015 N, how far apart are Mars and Phobos?

Which formula describes acceleration? m/s^2 m/s s/m m2

The term used to measure a change in speed of an object is a. velocity. b. acceleration. c. capacity. d. flow.

When compared to other types of waves, electromagnetic waves differ because they are Select one: A. a form of energy. B. able to travel through a vacuum. C. all visible. D. able to move particles in a medium.

The velocity selector in in a mass spectrometer consists of a uniform magnetic field oriented at 90 degrees to a uniform electric field so that a charge particle entering the region perpendicular to both fields will experience an electric force and

Technician A says balance shafts are used to counteract vibration created in the engine. Technician B says proper balancing of the engine is important for smooth operation. Which technician is correct?

Is it True or Flase that Materials that poor conductors are poor insulators?

A fish tank with insidd dimensions of 124 cm * 94 cm * 224 cm is filled with water, what is the volume?