Identify the choice that best completes the statement or answers the question.
90
1. tripling the displacement from equilibrium of an object in simple harmonic motion will change the magnitude of
the object's maximum acceleration by what factor?
a one-third
c. 9
d3
b.
1

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

Power can be defined as a. the distance over which work was done. b. how much work can be done in a given time. c. all the work in an given area. d. the energy required to do work.

For which pair of objects would adding the same a