Convection circulates gases from deep in Jupiter’s atmosphere to the top, where they
a. escape into space.
b. condense and make bubbles.
c. condense and make clouds.
d. form plasma.
Answer: c. condense and make clouds.
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Amateur astronomers have contributed to the understanding of impact events on Jupiter
Indicate whether the statement is true or false
Explain the process through which kinetic energy is conserved in an elastic collision
What will be an ideal response?
The graphs below show the phasors ?Vmax and Imax for five RLC series circuits. The solid arrows represent the voltage phasors, ?V, and the dashed arrows represent the current phasors, Imax. Which graph represents a circuit where the inductive reactance is greater than the capacitive reactance?
A.
B.
C.
D.
E.
Melanie says that when a diver enters an underwater cave of height h, the pressure on her is no greater than rWgh. Rosalind says that if the bottom of the cave is a distance H below the water surface, the pressure on the soles of the diver's feet can reach rWgH. Which one, if either, is correct? (The density of water is rW.)
a. Melanie, because the roof of the cave absorbs the water pressure from above. b. Melanie, because only the fluid directly above any volume of the fluid can contribute to the pressure on that volume. c. Rosalind, because a fluid exerts equal pressure in all directions at a given depth. d. Rosalind, because the pressure also depends on the density, rc, of the material above the cave roof, so that p = rcg(H - h) + rWgh. e. Melanie, because the pressure equals p = rWgH - rcg(H - h).