What does temperature measure?

A) the average kinetic energy of particles in a substance
B) the average mass of particles in a substance
C) the total potential energy of particles in a substance
D) the total amount of heat in a substance


A) the average kinetic energy of particles in a substance

Physics & Space Science

You might also like to view...

A wave on a string has a wavelength of 0.90 m at a frequency of 600 Hz. If a new wave at a frequency of 300 Hz is established in this same string under the same tension, what is the new wavelength?

a. 2.7 m c. 0.45 m b. 1.8 m d. 0.30 m

Physics & Space Science

A sample containing 4.0 × 1018 atoms of a radioactive isotope decays with a half-life of 2.3 years. How many undecayed atoms are left after 3.7 years?

A) 2.5 × 1018 B) 1.7 × 1018 C) 1.3 × 1018 D) 1.1 × 1018

Physics & Space Science

Kepler's third law, p2 = a3, means that

A) a planet's period does not depend on the eccentricity of its orbit. B) all orbits with the same semimajor axis have the same period. C) the period of a planet does not depend on its mass. D) planets that are farther from the Sun move at slower average speeds than nearer planets. E) All of the above are correct.

Physics & Space Science

A 50.0-mH inductor is connected in series with a 2500-? resistor in an ac circuit. What is the phase angle at 3000 Hz?

A) 90.0° B) -20.7° C) -75.9° D) 20.7° E) 75.9°

Physics & Space Science