The net charge of a nonionized atom
a. Depends only on the number of electrons it has.
b. Is zero.
c. Usually cannot be determined.
d. Depends only on the number of proton it has.
Ans: b. Is zero.
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If more horizontal force is applied to a sliding object than is needed to maintain a constant velocity, the object
A) accelerates in the direction of the applied force. B) accelerates opposite the direction of the applied force. C) experiences greater friction. D) none of the above
The Sun will exhaust its nuclear fuel in about
A) 5000 AD. B) 5 million years. C) 5 billion years. D) 50 billion years.
The diagram below shows the position of a long straight wire perpendicular to the page and a set of directions labeled A through H.
When the current in the wire is directed up out of the page, the direction of the magnetic field at point P is
A. A. B. B. C. C. D. D. E. E.
Determine the Prandlt number for liquid potassium at 600 K.
What will be an ideal response?