Why do other systems have planetary types that don't fall neatly into the terrestrial and jovian categories that we identify in our solar system?
What will be an ideal response?
There are several possible explanations. Hydrogen rich planets will vary greatly in density which is attributable to increases in temperature caused by their proximity to their host stars. Water worlds may be similar to our ice giants, but instead be dependent on when a star clears its nebular gas.
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A capacitor is connected in series with a resistor and a switch. With the switch open, the capacitor is charged to 9.0 V. When the switch is closed, how long will it take for the voltage across the capacitor to drop to 6.0 V if the time constant of the circuit is 4.0 s?
A. 0.3 s B. 1.2 s C. 1.6 s D. 2.7 s E. 12 s
An LRC series circuit has R = 15.0 ?, L = 25.0 mH, and C = 30.0 ?F. The circuit is connected to a 120-V (rms) ac source with frequency 200 Hz
(a) What is the impedance of the circuit? (b) What is the rms current in the circuit? (c) What is the rms voltage across the resistor? (d) What is the rms voltage across the inductor? (e) What is the rms voltage across the capacitor?
A 60-kg swimmer dives from a 150-kg raft with a horizontal speed of 1.5 m/s
The raft is initially at rest. What is the speed of the raft immediately after the diver jumps?
The ecliptic is defined as the
What will be an ideal response?