Which of the following best describes resistance?
a. completely stops electron flow.
b. impedes the flow of electrons.
c. is an insulator.
d. has to do with voltage in the circuit.

The roller coaster from problem #1 then tops a second hill at 15.0 m/s, how high is the second hill? 91.5 m 79.2 m 80.0 m 68.5 m

Select the correct answer from each drop-down menu. compared to its surroundings, the concentration of solutes is low inside a cell. so, the cell is with respect to its surroundings. a particular solute in this cell uses energy for its transport from the cell to its surroundings. this type of transport is called

An object moves from the position +34m to the position -15m in 15 seconds. what is it's total displacement? what is it's average velocity?