3. Which form of radiation is used to kill microorganisms?

a. microwaves

b. visible light

c. infrared rays

d. ultraviolet rays

What is the us specification for ac power?

Which of the following is not an example of approximate simple harmonic motion? A. a ball bouncing on the floor B. swinging chandeliers C. oscillations of air molecules that transmit sound D.

The moon has a mass of 7.35 e 22 kg and is located 3.84 e 8 meters from the earth. if ellen, an earthling, has a mass of 47 kg, what is the gravitational force between ellen and the moon?

Select the correct answer. A sample of physical evidence was heated with dry cupric oxide. The issuing gas turned lime water milky. Which element does the physical evidence contain? A. oxygen B. hydrogen C. carbon D. bromine E. chlorine

When a coil of wire moves through a magnetic field a current is induced in the wire? true or false?

What are those that you are wearing?

What Science is/is not and How Physics and Chemistry are Connected

What two properties of sound remain the same when sound quality differs? A. amplitude B. frequency C. intensity D. loudness E. pitch F. resonance

A 1650 kg car accelerates at a rate of 4.0 m/s^2. How much force is the car's engine producing?

What is an example of when momentum is not conserved?