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Between each pair of vertebrae in the spinal column is a cylindrical disc of cartilage. Typically, this disc has a radius of about 3.0 x 10-2 m and a thickness of about 1.2 x 10-3 m. The shear modulus of cartilage is 1.2 x 107 N/m2. Suppose a shearing force of magnitude 13 N is applied parallel to the top surface of the disc while the bottom surface remains fixed in place. How far does the top surface move relative to the bottom surface?
A bomb is designed to explode 2.00 s after it is armed. The bomb is launched from earth and accelerated to an unknown final speed. What is the final speed of the bomb just before it explodes
Calculate the moment of inertia and the rotational kinetic energy for the following objects spinning about a central axis
assume a bar 2.5 m long expands 0.5 cm when heated. By how much will a bar 100 m long of the same material expand when similarly heated.
The middle C string on a piano is under a tension of 944N. The period and wavelength of a wave on this string are 3.82 ms, calculate the linear density of the string
Radio astronomers detect electromagnetic radiation at 40.0MHz from an interstellar gas cloud. What is the magnetic field strength inside the gas cloud
Each has a charge of +e. The length of one side of the square is L. What is the net electric potential caused by the two positive ions at both of the empty corners of the square
Two radio antennas are separated by 2.00 m. Both broadcast identical 750MHz waves. If you walk around the antennas in a circle of radius 10.00 m, how many maxima will you detect.
Sketch a graph of maximum kinetic energy, KE max against visible light frequency, v for this experiment Label threshold frequency Vc.
The temperature of 1.3mol of an ideal diatomic gas goes from 20?C to 57?C at a constant volume. What is the change in entropy
the components of an airplane's motion are described as: 193 m/s west and 151 m/s south. determine the speed of the airplane
A stretched rubber band has the length of 0.04 m and a fundamental frequency of 462 Hz. What is the speed at which waves travel on the rubber band.
When traveling past an observer with a relative speed v, a rocket is measured to be 9.10m long. What is the proper length of the rocket
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