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The text of the question is as follows "Anengine flywheel is rotating at 25.0 Rads per second. When theengine is turned off, the flywheel slows at a constant rate andstops in 20.0 seconds. Calculate
(a) the angular acceleration oftheflywheel,
(b) the angle through which the flywheel rotates instopping, and
(c) the number of revolutions made by the fly wheel in stopping.
you are kidnapped and put blindfolded in an elevator at the ground floor of a building. What is the approximate floor number your room is on
White light is incident on a soap film (n = 1.30) in air. The reflected light looks bluish because the red light (? = 684 nm) is absent in the reflection. What is the minimum thickness of the soap film?
A dog running in the +y-direction at 7.0 m/s hears its owner call from behind, Compute the dog's change in velocity
Suppose the horizontal velocity of the wind against a sail is 5.5 m/s parallel to its front surface and 3.3 m/s along its back surface. Calculate the approximate force on a square meter of sail in N
What is the speed of the second asteroid? Now suppose that the first and second asteroids carry charges of 3.68 C and -3.68 C, respectively. How fast would the second asteroid have to be moving in order to occupy the same circular orbit as before?
A electron emits radiation of wavelength 255 nm Calculate the maximum kinetic energy of the electron ejected, Calculate the de Broglie wavelength of the ejected electron
A cyclotron used to accelerate an alpha particle (m=6.65 x 10-27 kg q= 3.2 X 10-19 C) has a radius of .50 m and a magnetic field of 1.8 T. what is the force that acts on the alpha particle
From a cliff that is 9.4 m above a lake, a young woman (mass 44 kg) jumps from rest, straight down into the water. At the instant she strikes the water, what is her de Broglie wavelength.
A recording engineer works in a soundproofed room that is 50.0 dB quieter than the outside. what is the intensity outside
Tim walks half of the time and runs the other half. In terms of given quantities, in the special case that, what will be Tim's margin of victory.
An unknown length of platinum wire 0.730mm in diameter is placed as the unknown resistance in a Wheatstone bridge. How long (in meters) is the platinum wire
The coil of a galvanometer has a resistance of 21.6 ?, and its meter deflects full scale when a current of 5.58 mA passes through it. What is the maximum current that this ammeter can read
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