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Find the kinetic energy of a cylindrical shaft of mass 2.0 kg and radius 10cm rotating about its central axis at 600 rad/s
Calculate the potential and kinetic energy of the oscillator when the block is at x = 0.4 A.
A beam of vertically polarized light impinges on two polarizers, in each of three different cases. Which of the following statements are true about these cases?
An electron with a speed 5.00x10^8 cm/s enters an electric field of magnitude 1.00x10^3 N/C, traveling along a field line in the direction that retards motion.
Solid, uniform cylinder of mass m and radius R is fitted with a frictionless axle along the cylinder's long axis.
When green light passes through a double slit arrangement in air, the interference pattern in Figure (a) above is observed on a distant screen
A ten-year exposure to the sound of a riveting machine will cause your threshhold of hearing to shift from 0 dB to 30 dB. What is the sound intensity
What should the height of a slide in a park be so that a child will reach the bottom of the slide with a speed of 15 m/s using gravity as 10 m/s squared?
An array of many identical slits placed close together with uniform spacing is called a grating.
Assume the bowling ball has an initial temperature of 0 degreesC, and that no water or ice splashes out.
Draw a schematic diagram of a Michelson interferometer. Describe a setup that allows a pattern of circular interference fringes, localised at infinity
A stationary block explodes into two pieces that slide along a frictionless floor and then into regions with friction, where they stop.
Describe what happens in the retina (at the cellular level) when you "get used to the dark. Why is it not possible to see color at night?
Three identical loudspeakers play a 170 Hz tone in a room where the speed of sound is 340 m/s. You are standing 4 m in front of the middle speaker
Show that the kinetic energy K and the momentum magnitude p of a particle of mass m are related by K = p2/2m.
Determine the speed of the rod's center of mass just before it hits the surface. Use h, M, and g for length, mass, and gravitational acceleration.
You are standing 2.2 m from a 150 W light bulb.
A pendulum consists of a string of length L and a bob of mass M. The string is brought to a horizontal position and given the minimum initial speed.
The light that passes though has an intensity of 50% of the incident beam. The angle between the direction of the polarization of the incident beam
On a frictionless horizontal air table, puck A (with mass 0.369 ) is moving toward puck B (with mass 0.249 ), which is initially at rest.
Consider a point source of light. How would the intensity of light vary with distance from the source according to a) wave theory
Cold, interstellar, molecular clouds have been seen to contain the cynogen molecule, CN, whose first rotational excited states have an energy.
Twenty violins playing simultaneously with the same intensity combine to give an intensity level of 82.5 dB.
A pair of bumper cars in an amusement park ride collide elastically as one approaches the other directly from the rear.
Sound 1 has an intensity of 380.0 W/m^2. Sound 2 has an intensity level that is 2.5 dB greater than the intensity level of sound 1