A negatively-charged rod is held near an aluminum can that rests on a dry wood table. If you momentarily touch the opposite side of the can with your finger, the can becomes
A) positively charged.
B) negatively charged.
C) partially discharged.
D) completely discharged.
E) none of the above
Answer: A
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Constant Angular Acceleration: How long does it take for a rotating object to speed up from 15.0 rad/s to 33.3 rad/s if it has a uniform angular acceleration of 3.45 rad/s2?
A. 4.35 s B. 5.30 s C. 9.57 s D. 10.6 s E. 63.1 s
Bulk Modulus: A 12-L volume of oil is subjected to pressure which produces a volume strain of -3.0 × 10-4. The bulk modulus of the oil is 6.0 × 109 Pa and is independent of the pressure. The change in the pressure of the oil in megapascals is closest to
A. 1.2 MPa. B. 1.4 MPa. C. 1.6 MPa. D. 1.8 MPa. E. 2.0 MPa.
The intensity at a distance of 6.0 m from a source is 6 × 10-10 W/m2
(a) What is the power level emitted by the source? (b) What is the intensity level in dB?
Homogeneous mixtures are also called ______________
Fill in the blank(s) with correct word