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It is well known that bullets and other missiles fired at Superman simply bounce off his chest. Suppose that a gangster sprays Superman's chest with 6 g bullets at the rate of 100 bullets/min, the speed of each bullet being 450 m/s. Suppose too that the bullets rebound straight back with no change in speed. What is the magnitude of the average force on Superman's chest from the stream of bullets?
A conductor of uniform radius 1.20 cm carries a current of 3.00 A produced by an electric field of 120 V/m
The drill pipe has an outer diameter of 75 mm, a wall thickness of 6 mm, and a weight of 0.8 kN/m. If it is subjected to a torque and axial load as shown.
Glycerine in water diffuses along a horizontal column that has a cross-sectional area of 2.2 cm2. Determine the diffusion coefficient
A system of 1454 particles, each of which is either an electron or a proton, has a net charge of -7.456×10-17 C. How many protons are in this system
The Superconducting magnet for the experimental MRI studies at a laboratory is a 1 m long solenoid of 60 cm diameter, What is the inductance of the magnet?
A physicist has developed a device that generates a beam of alpha particles (each of which is a helium nucleus, consisting of two protons, two neutrons, and no electrons).
In an oscillating LC circuit in which C = 4.15 µF, the maximum potential difference across the capacitor during the oscillations is 1.77 V, What is the frequency of the oscillations
Imagine that a relativistic train travels past your lecture room at a speed of 0.887 c. The passengers of the train claim that when they measure the length of the train using standard meter bars found on the train, the length comes out to be 85.8 ..
In some Rutherford scattering experiments, the alpha particles had kinetic energies of 7.7MeV
The first-order principal maximum produced by a grating is located at an angle of ? = 15.0 degrees. What is the angle for the third-order maximum
A magnetic dipole consisting of a 10-turn current loop of area of .1m^2, with a current of 1.0A flowing through each turn, What is the magnitude of torque acting on the loop
You are standing at the rear end of a raft that is 6.0 m long. The raft has a uniform mass of 120 kg and is at rest on a lake. how far are you from the end of the pier
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