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Suppose medical gamma imaging is done with an isotope that decays by emitting a gamma-ray photon with energy 180 keV. What is the mass loss of the nucleus, in u, upon emission of this gamma ray?
In a certain time period a coil of wire is rotated from one orientation to another by respect to a uniform 0.38-T magnetic field. The emf ε induced in the coil is 5.9 V. Other things being equal, what would the induced emf be if the field had a magn..
A 1400kg wrecking ball hangs from a 20m -long cable. By how much has the gravitational potential energy of the ball changed
A grocery cart with a mass of 18 kilogram is pushed at fix speed along an aisle by a force F = 12 Newton. Calculate the work done by the normal force on the cart
What effect, if any, does the mass of the spring have on the experiment? What would happen if a spring were rotated without any extra mass on its end?
A flatbed truck with a box sitting on the bed accelerates from rest on level ground. The truck's speed as a function of time is 15t - 2t2 during this acceleration. What force does that work on the box
A door has mass of 44,000 kg. A rotating inertia of 5.7 X 10^5 kg m^2 at the hinge. width is 3.1 m. Minimum force at the outer edge to make it move from rest through 90 degrees in 30 second.
Choose a metal and choose a wavelength that ejects electrons at a reasonable speed. Turn the light intensity up and down. Make note of the number of electrons ejected. Why does the number change
A person starts from rest at the top of a large, frictionless, spherical surface, and slides into the water below, At what angle does the person leave the surface
In a diesel engine, the piston compresses air at 302 K to a volume that is 0.0623 of the original volume, What is the temperature of the air after the compression
Two point charges q1 = 3.40 nC and q2 = -5.50 nC are 0.100m apart. Point A is midway between them; point B is 0.080 m from q1 and 0.060 m from q2. Take an electric potential to be zero at infinity.
You hold a circular loop of wire at the north magnetic pole of the Earth. Consider the magnetic flux through this loop due to the Earth's magnetic field.
A beam of light in air strikes the surface of a transparent medium of index of refraction, n = 1.50 at an angle to the surface of 70o. What is the angle of reflection of the reflected ray?
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