What is the ultimate fate of an isolated white dwarf?
a) it will cool down and become a cold black dwarf. b) as gravity overwhelms the electron degeneracy pressure, it will explode as a nova. c) as gravity overwhelms the electron degeneracy pressure, it will explode as a supernova. d) as gravity overwhelms the electron degeneracy pressure, it will become a neutron star. e) the electron degeneracy pressure will eventually overwhelm gravity and the white dwarf will slowly evaporate.

In which situation has the independent variable for the experiment been changed? check all that apply. changed from counting the number of duckweed at day 0 and day 14 to counting them every day changed from testing duckweed growth in beakers to testing duckweed growth in large outdoor tanks changed from testing the effect of ph on duckweed growth to testing the effect of light levels on duckweed growth changed from testing the effect of acid ph on duckweed growth to testing the effect of basic ph on duckweed growth

If you place a magnet under a clear dish, and sprinkle iron fillings over it, above what part of the magnet will most of the fillings gather

Acapacitor is storing energy of 3 joules with a voltage of 50 volts across its terminals. a second identical capacitor of the same value is storing energy of 1 joule. what is the voltage across the terminals of the second capacitor?