Which electromagnetic wave has the lowest frequencies (less than 3*109 hertz) ?

A.

microwaves

B.

visible light

C.

radio waves

D.

gamma rays

When the particles in a medium vibrate perpendicular to the direction the wave is traveling, this type of waves is called a: A. Transverse wave B. Longitudinal wave C. Surface wave D. Tidal wave

Greg applies a force of 100 N to move a box 5 meters. How much work did he do? a. 100 J b. 500J c. 5 J d. 500 N

What can be absorbed or released as the result of a chemical reaction?

A small clay model of a volcano is an example of

A box took five minutes to move. You did 3,150J of work in the process. How much power was required to move the box?

Which of the following are the top two job expectations of people who career plan? Select all that apply. A. Hours B. benefits C. type of work D. coworkers E. security

Define the term volt.

A baseball player was hit by a baseball in the left eye and complains of double vision. What should you do? A. Restrict spinal movement B. Assess pupillary response C. Perform a detailed exam D. Apply ice to orbit

An approaching storm is moving at 15 km an hour what do you need to know to determine its velocity

How did astronomers precisely determine the length of an Astronomical Unit in the 1960s?