The planet ________ may have been the result of the merger of two bodies

Fill in the blank(s) with correct word


Venus

Physics & Space Science

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Jupiter's moon Callisto has never fully differentiated, thus the moon has no _______________

Fill in the blank(s) with correct word

Physics & Space Science

Using the scale in the diagram below, what is the diameter of Mercury?





a.
about 240 km

b.
about 2400 km

c.
about 24,000 km

d.
about 240,000 km

e.
about 2.4 × 106 km

Physics & Space Science

Einstein's theory of general relativity applies to accelerated frames of reference

Indicate whether the statement is true or false

Physics & Space Science

Entropy: A 700-g quantity of an ideal gas undergoes a reversible isothermal compression at a temperature of 330 K. The compression reduces the volume of the gas from 0.40 m3 too 0.15 m3. The molecular mass of the gas is 38.0 g/mol. What is the entropy change for the gas during this compression? (R = 8.31 J/mol ? K)

A. -150 J/K B. -57 J/K C. 150 J/K D. 57 J/K E. 0 J/K

Physics & Space Science