Identify the equilibrium point between the positively-charged and negatively-charged spheres.
A) B
B) C
C) D
D) E

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.

In order for the bug to fly through the air a force has to push the bug forward. identify this force. how does the bug produce

Which of the following is an example of units for speed