Use the Velocity versus time graph to answer the question: At which point(s) on the graph is the object have acceleration? Section A
Section B
Section C
Section A & C
Sections A, B, & C

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.

The molecular mass of a gas is (select all that apply) a. independent of the type of gas b. the same number as the atomic (or molecular) mass, but measured in grams c. dependent on the temperature d. the mass of a mole of the gas

Aproton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?