The gravitational field simulated by rotation in a space habitat that is best suited for humans is

A) zero.
B) g.
C) one-quarter g.
D) one-half g.
E) three-quarters g.


Answer: B

Physics & Space Science

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The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 × 1013 rad/s. The mass of a nickel atom is 9.75 × 10-26 kg

What is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 × 10-34 J ? s, h = 1.055 × 10-34 J ? s, 1 eV = 1.60 × 10-19 J) A) 0.015 eV B) 0.019 eV C) 0.023 eV D) 0.027 eV E) 0.031 eV

Physics & Space Science

Greenhouse gases in our atmosphere trap just enough heat to keep the Earth's oceans liquid

Indicate whether the statement is true or false

Physics & Space Science

A certain CD-ROM disk can store approximately 6.0 × 102 megabytes of information, where 106 bytes = 1 megabyte. If an average word requires 9.0 bytes of storage, how many words can be stored on one disk?

A) 6.7 × 107 words B) 5.4 × 109 words C) 2.1 × 107 words D) 2.0 × 109 words

Physics & Space Science

The difference between the pressures inside and outside a tire is called __________

Fill in the blank(s) with correct word

Physics & Space Science