The mechanical equivalent of heat was first determined by
A) Lord Kelvin.
B) James Joule.
C) Stefan and Boltzmann.
D) Count Rumford.
E) Con Edison.
D
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A particle with a mass of 3.0 kg is accelerated to a speed of 0.80. The mass of this particle is now:
A. Greater than 3.0 kg B. Less than 3.0 kg C. Still 3.0 kg
Einstein earned the Nobel Prize for his
A) special theory of relativity. B) general theory of relativity. C) development of the equivalence of energy and matter, E = mc2. D) work on the particle nature of light. E) contributions to the development of the fission bomb.
A hydrogen atom emits a photon of wavelength 657.7 nm. From what energy state to what lower energy state did the electron jump?
The actual depth of a shallow pool 1.00 m deep is not the same as the apparent depth seen when you look straight down at the pool from above. How deep (in cm) will it appear to be? (nwater = 1.33.)
a. 133 b. 75.2 c. 90.6 d. 117 e. 100