An ideal parallel-plate capacitor consists of two parallel plates of area A separated by a distance d. This capacitor is connected to a battery that maintains a constant potential difference across the plates
If the separation between the plates is now doubled, the amount of electrical energy stored on the capacitor will A) double.
B) quadruple.
C) be cut in half.
D) be cut in fourth.
E) not change.
C
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Based on available data, what kind of objects in our solar system do most of the known extrasolar planets resemble?
A) jovian planets B) terrestrial planets C) Kuiper belt objects D) None of the above: most extrasolar planets apparently belong to some new category of object.
Science can say nothing about the validity of nonscientific practices that do not make testable predictions
Indicate whether the statement is true or false
Which of the following is that form of energy associated with an object's motion?
a. potential b. thermal c. bio-chemical d. kinetic
The speed of light is 3.00 × 108 m/s. If 2.00 kg of mass is converted to energy, how much energy will be produced?
A) 1.80 × 1017 J B) 1.50 × 108 J C) 6.00 × 104 J D) 6.00 × 108 J E) 9.00 × 1016 J