Which moon is considered likely to have a deep, subsurface ocean of liquid water?

A) Europa
B) Io
C) Miranda
D) Triton


A

Physics & Space Science

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A 100 gram glass container contains 200 grams of water and 100 grams of ice all at 0A 200 gram piece of lead at 100is added to the water and ice in the container. What is the final temperature of the system? (specific heat of ice = 2,000 J/kg specific heat of water = 4,186 J/kg heat of fusion of water = 333.7 kJ/kg, specific heat of glass = 837.2 J/km specific heat of lead = 127.7 J/km

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A. 1.85
B. 2.04
C. 2.86
D. 3.43
E. 4.01

Physics & Space Science

Series/Parallel Circuits: A 3.0-? resistor is connected in parallel with a 6.0-? resistor. This combination is then connected in series with a 4.0-? resistor. The resistors are connected across an ideal 12-volt battery. How much power is dissipated in the 3.0-? resistor?

A. 2.7 W B. 5.3 W C. 6.0 W D. 12 W

Physics & Space Science

Magnetic Field of a Long Wire: How much current must flow through a long straight wire for the magnetic field strength to be 1.0 mT at 1.0 cm from a wire? (?0 = 4? × 10-7 T ? m/A)

A. 50 mA B. 9.2 A C. 16 A D. 50 A E. 5.0 mA

Physics & Space Science

Which of the following worlds have the thinnest lithospheres? (Hint: The answer is the same no matter whether you think of "thinnest" in actual depth in kilometers or as a proportion of the planet's radius.)

A) Earth and the Moon B) Venus and the Moon C) Mercury and Venus D) Earth and Mars E) Earth and Venus

Physics & Space Science