If i time the movement of waves for 1 second, and calculate that 100 waves passed through in that 1 second, what have i calculated?

a. crest
b. amplitude
c. wavelength.
d. frequency.
e. none of the above

Aforce of 9.00 newtons acts at an angle of 19.0 to the horizontal. what is its component in the horizontal direction?

Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.

What is the major limitation to the light microscope?