An atom has 11 protons, 10 electrons and 13 neutrons. Is this a cation or an anion? a. An anion because the overall charge is -1.
b. A cation because the overall charge is +3.
c. A cation because the net charge is +1.
d. An anion because the overall charge is -2.

Acup of coffee sits on the dashboard of an automobile. the car goes around a sharp curve. even though you hold the cup still, coffee still splashes out. this can best be explained due to a) density. b) friction. c) gravity. d) inertia.

During the experiment if you could triple the breakaway magnetic force with all other quantities left unchanged, what is the new value for the critical velocity if it was v0 (initial velocity), initially? (b) now if you halved the radius with all other quantities left unchanged, what is the new critical velocity if it was v0 (initial velocity), initially? (c) if during the experiment, critical velocity quadrupled with all other quantities left unchanged, what is the new breakaway force if its magnitude was initially f0,?

While the change in blank will remain the same during a collision, the force needed to bring an object to a stop can be blank if the time if collision is blank