How large is Jupiter's magnetosphere?
A) It is about as large as the Earth's.
B) It is so large it extends out to the orbit of Io.
C) It is a million times the volume of the Earth's, extending beyond the orbit of Saturn.
D) It extends inward to the orbit of Mars.
E) It envelopes even the Sun and rest of the solar system.
C
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An 80-g aluminum calorimeter contains 380 g of water at an equilibrium temperature of A piece of metal, initially at is added to the calorimeter. The final temperature at equilibrium is 32°C
Assume there is no external heat exchange. The specific heats of aluminum and water are 910 J/kg ? K and 4190 J/kg ? K, respectively. The specific heat of the metal is closest to A) 520 J/kg ? K. B) 480 J/kg ? K. C) 390 J/kg ? K. D) 350 J/kg ? K. E) 560 J/kg ? K.
In the NSOM technique, the letter S stands for:
a. slow. c. scanning. b. small. d. swift.
A hockey puck slides off the edge of a table at point A with an initial velocity of 20.0 m/s and experiences no air resistance. The height of the tabletop above the ground is 2.00 m
(a) What is the speed (not the velocity) of the puck just before it touches the ground? (b) What is the distance between point A and the point where the puck hits the ground? What will be an ideal response?
A hydrogen atom in the ground state absorbs a 13.32-eV photon. To what level is the electron promoted? (The ionization energy of hydrogen is 13.6 eV)
a. n = 6 b. n = 10 c. n = 7 d. n = 5 e. n = 11