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Students want to construct a scattering experiment using a power source of 5.5 Mev alpha-particles to scatter from a gold foil. They want to be able to count 1 particle/s at 50 degrees but their detector is limited to a maximum count rate of 2000 particles/s. Their detector subtends a small angle. Will their experiment work without modifying the detector if the other angle thay want to measure is 6 degrees? Explain.
Unpolarized light is incident on a linearly polarizing filter oriented 30o with respect to the horizontal. The light then passes through a vertically polarizing filter followed by a linearly polarizing filter oriented 60o with the horizontal. If the ..
A spring with a constant 150 N/m is attached to a block with a mass 1.5 kg. What is the maximum displacement the mass will achieve
Suppose the highway is icy and the coefficient of friction between the tires and pavement is only one-third what you found in part (1). What should be the maximum speed of the car so it can round the curve safely.
A ball of mass m falls from height h,to height hf near the surface of the Earth, as shown at right. When the ball passes it has a speed vf. Ignore air resistance, and assume that any changes in kinetic energy of the Earth are negligible.
A photon undergoing Compton scattering has an energy afterscattering of 800 keV, and the electron recoils with an energy of 200keV
A bat can detect small objects, such as an insect, whose size is approximately equal to one wavelength of the sound the bat makes. what is the smallest insect a bat can detect
Assume that if the shear stress in steel exceeds about4.00108N/m2, the steel ruptures. Determine the shearing force necessary to shear a steel bolt1.10cm in diameter
An air-track glider is attached to a spring. The glider is pulled to the right and released from rest att = 0. what is the amplitude of the ossilation
An eagle is flying horizontally at 6.2 m/swith a fish in its claws. It accidentally drops the fish. How much time does it take before the fish's speed doubles?
In Figure 20.12, a small particle of charge q = -7.0 x 10^-6 C and mass (m = 3.1x10^-12) has velocity (Vo = 9.4x10^3 m/s) as it enters a region of uniform magnetic field. The particle is observed to travel in the semicircular path shown, with radius ..
There is a system of three particles which have masses of M, 2M, and 3M as indicated M------2m------3m [----L----][----L----] find the X coordinate of Xcm of the center of mass. Assume that the particle M is at the origin and the positive x axis is d..
A 1.5 m cylinder of radius 1.1 cm is made of a complicated mixture materials. Its resistivity depends on the distance x from the left and obeys the formula p(x)=a+bx^2, What is the resistance of the rod
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