The absolute temperature of an ideal gas is directly proportional to which of the following?

A. speed
B. momentum
C. kinetic energy
D. mass


C. kinetic energy

Physics & Space Science

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Jennifer bought a 7 x 25 pair of binoculars for observing baseball. The 25 describes the

A) aperture in cm. B) aperture in mm. C) f/number. D) magnification. E) .

Physics & Space Science

The oxygen molecule (O2) may be regarded as two masses connected by a spring. In vibrational motion, each oxygen atom alternately approaches, then moves away from the center of mass of the system. If each oxygen atom of mass m = 2.67 × 10^-26 kg has a vibrational energy of 6.4 × 10^-21 J and the effective spring constant is 50 N/m, then what is the amplitude of oscillation of each oxygen atom?

a. 3.2 × 10^-11 m c. 1.1 × 10^-11 m b. 1.6 × 10^-11 m d. 8.0 × 10^-12 m

Physics & Space Science

The special theory of relativity sets a limit on speed. Does it set a limit on momentum?

A) Yes B) No

Physics & Space Science

Interferometry is easiest to use with telescopes that observe at very short wavelengths

Indicate whether the statement is true or false

Physics & Space Science