The slope of a distance vs. time graph is the
a. distance
b. velocity
c. acceleration
d. none of the above
B
You might also like to view...
A mercury manometer measures a pressure of 200 mmHg. What is this pressure in atm?
A. 0.204 B. 0.263 C. 0.301 D. 0.325 E. 0.375
A Michelson interferometer is used to measure the thickness of a thin film with light of wavelength 560 nm. If the introduction of the film into one of the arms of the interferometer causes a change in the interference pattern by exactly 79 bright fringes, what is the thickness of the film? The film’s index of refraction is 1.39.
A. 56.0 microns B. 113 microns C. 56.7 microns D. 112 microns E. 15.9 microns F. 15.7 microns
An arrow is shot, from a bow, at an original speed of vo. When it returns to the same horizontal level, its speed will be
A) 9.8 vo. B) vo. C) 2 vo. D) 1/2 vo. E) 4 vo.
An atom that absorbs a certain amount of energy can then emit
A) only a photon of that energy. B) a photon of any energy. C) a photon of the same or higher energy. D) a photon of the same or lower energy.