Galaxies may contain a supermassive black hole at their center but ___________ an active nucleus because of ____________ into the black hole
a. show; mass inflow
b. not show; mass inflow
c. show; lack of mass inflow
a
You might also like to view...
If you were standing on the Earth's equator, which of the following in the sky would pass through your zenith during the entire day (24 hours)?
a. the north celestial pole b. the south celestial pole c. the celestial equator d. the nadir
Reactance: In the circuit shown in the figure, the 60-Hz ac source has a voltage amplitude of 120 V, the capacitive reactance is 820 ?, the inductive reactance is 330 ?, and the resistance is 550 ?. What is the capacitance C of the capacitor?
A. 3.2 µF B. 6.3 µF C. 9.4 µF D. 13 µF E. 20 µF
If your mass is 60kg on Earth, what would you mass be on the moon?
What will be an ideal response?
A string has a mass per unit length of 3 x 10-3 g/cm and is attached to an electrically driven vibrator of frquency 100 cps. How long is the string if the number of segments produced is 2 under a tension of 0.3 kg?