Which of the following most likely explains why Jupiter's interior releases so much heat?
A) Jupiter is gradually contracting in size.
B) heat from radioactive decay
C) a slow rate of nuclear fusion in Jupiter's core
D) tidal heating
A) Jupiter is gradually contracting in size.
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A small metal sphere is suspended from the conducting cover of a conducting metal ice bucket by a non-conducting thread. The sphere is given a negative charge before the cover is placed on the bucket. The bucket is tilted by means of a non-conducting material so that the charged sphere touches the inside of the bucket. Which statement is correct?
A. The negative charge remains on the metal sphere. B. The negative charge spreads over the outside surface of the bucket and cover. C. The negative charge spreads over the inside surface of the bucket and cover. D. The negative charge spreads equally over the inside and outside surfaces of the bucket and cover. E. The negative charge spreads equally over the sphere and the inside and outside surfaces of the bucket and cover.
Describe the interaction between Jupiter and Comet Shoemaker-Levy 9
What will be an ideal response?
In its monthly bill, the electric company charges you primarily for
A) the useful energy output that all your electric devices produce during the month. B) the number of cabbages you consume during the month. C) the electric power you consume during the month. D) the electric energy you consume during the month. E) the electric force you consume during the month.
The rate of heat dissipation in an AC circuit with resistance, R, and effective current, Irms, is given by which of the following?
a. 0.5 × (Irms)2R b. (Irms)2R c. 2.0 × (Irms)2R d. 4.0 × (Irms)2R