The SI unit of electric charge is e, the charge on the electron
a. True
b. False
Indicate whether the statement is true or false
False
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As you are leaving a building, the door opens outward. If the hinges on the door are on your right, what is the direction of the angular velocity of the door as you open it?
A) up B) down C) to your left D) to your right E) forwards
The Moon's composition is similar to Earth's ________
Fill in the blank(s) with correct word
When a transparency sheet is rubbed with a tissue and the transparency and tissue are then held at rest a short distance apart,
A) the transparency and the tissue exert magnetic forces on each other, because the electron orbits in the two objects are all put into the same alignment. B) the two objects exert electric forces on each other, because electrons are rubbed off of one and onto the other. C) the two objects exert magnetic forces on each other, because electrons are rubbed off of one and onto the other. D) a spark will jump between them, because the rubbing causes electrons to jump from one object to the other. E) the two objects exert electric forces on each other, because the electron orbits in the two objects are all put into the same alignment.
According to the standard model, a quark and its antiquark may have the same
a. spin. b. baryon number. c. charge. d. All of the above may be the same.