What pressure is exerted by the box
The bottom of a box has a surface area of 31.4 cm2. The mass of the box is 47.1 kilograms. Acceleration due to gravity at sea level is 9.80 m/s2. What pressure is exerted by the box where it rests?
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Coherent light with wavelength 603 passes through two very narrow slits, and the interference pattern is observed on a screen a distance of 3.00 from the slits. The first-order bright fringe is a distance of 4.84 from the center of the central br
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A parallel-plate capacitor is formed from two 9.10cm x 9.10cm electrodes spaced 2.00mm apart. The electric field strength inside the capacitor is 5.00*10^6 . What is the charge (in nC) on each electrode?
The incident beam of light is unpolarized and has an intensity of 1430.0 W/m2. What is the intensity of the beam transmitted through the three sheets when 1 = 19.0°, 2 = 46.5° and 3 = 100.0°?
A wavelength of 486.2 nm is emitted by the hydrogen atoms in a high-voltage discharge tube. What are the (a) initial and (b) final values of the quantum number n for the energy level transition that produces this wavelength?
Find the average magnitude of the induced emf if the change in shape occurs in 4.25 and the local 0.126- magnetic field is perpendicular to the plane of the loop.
assume an electron gun in a TV uses a potential difference of 50,000 Volts to accelerate an electron from a dead stop to a final velocity. The electron then hits a phosphor on the TV screen, making it glow, and making you chuckle at the amazing ad
What is the force exerted by the floor on the 15.0-lb block? (c) If we replace the 10.0-lb object in part (b) with a 20.0-lb object, what is the force exerted by the floor on the 15.0-lb block?
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