A hydrogen atom is in its ground state when its orbital electron:

is within the nucleus
has escaped from the atom
is in its lowest energy level
is stationary

An object starts from rest at point f and speeds up continuously as it moves around an oval. a. choose a point about 1/8 th of the way around the oval from point f, and label it point g. draw a vector to represent the velocity of the object at point g. b. determine the change in velocity vector   between points f and g.

When you turn on a battery-operated device, an electrical circuit is

15. one purpose of the tread pattern on a tire is to a reduce tire wear. b. reduce traction c. allow water to flow away from the tire. d. look impressive.