State Avogadro's hypothesis
What will be an ideal response?
Equal volumes of gas at the same pressure and temperature contain equal numbers of molecules.
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Paul Dirac
A) set the limits on the probability of measurement accuracy (1927). B) developed a wave equation for matter waves (1926). C) suggested the existence of matter waves (1924). D) discovered the positron using a cloud chamber (1932). E) predicted the positron from relativistic quantum mechanics (1928).
The wheelbase on a 50,000-kg truck is 2.40 m wide and the truck's center of mass is located along the vertical centerline of the truck and 2.00 m above the bottom of the tires
The truck is going around a horizontal turn with a radius of 250 m at 24.0 m/s. What is the total normal force on the tires on the side of the truck that faces the center of the curve? A) 245 kN B) 149 kN C) 349 kN D) 283 kN E) 255 kN
Someone is listening to a singer who is standing on a podium. The singer uses a set of speakers to broadcast her voice in all directions. The person listening cannot hear her very well, so he decides to walk closer to the podium. If his final distance to the podium is only half of his initial distance, what will be the final intensity of the singer's voice that the person hears compared to the
initial intensity that he hears? 1.twice that of the first 2.half that of the first 3.four times that of the first 4.one fourth that of the first
When you look through a sheer curtain at a distant street lamp, you see a pattern of colored spots of light. This occurs by
a. polarization of light in scattering and partial absorption by the threads. b. interference of light waves that pass through the threads with light waves that pass through the openings between the threads. c. refraction of light waves differentially in the cylindrical threads. d. diffraction of light waves passing through the two dimensional pattern of openings between the threads. e. reflection of light waves by the sides of the threads.