A 10-? resistor and a 20-? resistor are connected in parallel, and this combination is connected in series to a 30-? resistor. If the arrangement is hooked to a 12-V battery, how much current flows in the circuit?
0.033 A
Physics & Space Science
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Massive, more luminous stars have shorter lives than their smaller, dimmer counterparts
Indicate whether the statement is true or false
Physics & Space Science
The average molecular translational kinetic energy of a molecule in an ideal gas is
A.
kBT.B.
RT.C.
kBT.D.
RT.E.
kBT, where n = number of internal degrees of freedom.
Physics & Space Science
Which of the following is not an exception to the general patterns of motion in the solar system?
A) the "backward" orbit of Triton around Neptune B) the extreme axis tilt of Uranus C) the counterclockwise rotation of Venus D) the large size of Earth's moon E) the rings of Saturn
Physics & Space Science
What, approximately, is the percent uncertainty for the measurement 5.2?
A) 1% B) 2% C) 3% D) 4% E) 5%
Physics & Space Science