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Determine the kinetic energy of the plate of Prob. 18.3.Prob. 18.3. A thin homogeneous square of mass m and side a is welded to a vertical shaft AB with which it forms an angle of 45°. Knowing that the shaft rotates with an angular velocity ω, determine the angular momentum of the plate about A.
A light signal is sent from the origin of a system K at t=0 to the point x=3m, y =5m, z = 10m. a) At what time t is the signal received? b) Discover (x’,y’, z’, t’) for the receipt of the signal in a frame K’ that is moving along the x axis of k at ..
A lab technician utilizes laser light with a wavelength of 650 nm to test a diffraction grating. When the grating is 40.7cm from the screen, the first-order maxima appear 6.10cm from the center of the pattern. How many lines per mm does this grating ..
At the factory, a noon whistle is sounding with the frequency of 464 Hz. As a car travelling at 76 km/h approaches the factory, driver hears the whistle at frequency fi. After driving past the factory, the driver hears frequency ff. What is the chang..
What is the path difference between the two waves received at a point P 6 kilometres from one station along a line directly towards the other? Will a loud or weak signal be picked up by a receiver at P?
Two masses of 5 kilogram and 10 kilogram and are connected by a compressed spring and rest on a frictionless table. compute what are the speeds of the two masses
A photon scatters off an electron at an angle of 180° with respect to its initial motion. What is the change in the photon's wavelength
The total translational kinetic energy of the molecules of a sample of gas at 421 k is 3.95x10^4j. Find the average translational kinetic energy of a single molecule
Ultraviolet light of wavelength 280 nm is used in an experiment on photoelectric effect with lithium (c = 2.5 eV) cathode. Find the maximum kinetic energy of the photoelectrons and (b) the stopping potential.
two lasers are shining on a double slit with slit separation. laser 1 has a wavelength of d20 whereas laser 2 has a
A 0.35 kg cart traveling at 0.6 m/s to the right collides with a stationary 0.55 kg cart. After the collision the second cart (.55kg) is traveling to the right at 0.32 m/s, What is the speed and direction of the first(.35kg) cart
Yellow-green light(wavelength 550nm) passes through two closely spaced very narrow slits, what is the wavelength for that second source of light.
a parallel-plate capacitor has an area of 5.50 cm2 and the plates are separated by 1.06 mm with air between them. it
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