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Question 1- General information about the use of intensifying screens in radiology, and how films intended for use with intensifying screens differ from non-screen films.
Question 2- A discussion of film sensitivity/speed, and the defining equation for this parameter.
Question 3- Figure 16-27, in The Physics of Radiology shows the MTF of a screen film for mammography and the MTF of a high-speed screen-film (curves C and D, panel b). Give two physical reasons why the mammography screen-film has a higher geometric resolution.
Question 4- A brief introduction on computed radiography, IP construction, and readout.
Question 5- Describe the image receptor response curve for CR.
A 64-kg man standing on a scale in an elevator notes that the elevator rises, the scale reads 827 N. What is the acceleration of the elevator
A 3.0cm object is placed 8.0cm in front of a mirror. The virtual image is 4.0cm further from the mirror when the mirror is concave than when it is planar. Decide the focal length of the concave mirror.
A two-stage rocket moves in space at a constant velocity of 4700 m/s. Find what is the velocity (magnitude and direction) of the 2500 kg lower stage after the explosion
A state trooper chases a speeder; along a straight road; both vehicles at 160km/h. The serin on the troopers vehicle produces sound at a frequency. Doppler shift in the frequency heard by the speeder
A 100 kg scaffold is 6 m long. It is hanging with two wires, one from each end. A 500 kg box sits 1.6 m from the left end. What is the tension in the left hand side wire
Need assistance generating a power point presentation on the Tropical Rainforest. I will like to have about 14 slides or so discussing points such as where this ecosystem might be located, the structure of the components (abiotic and biotic), how doe..
A 10 cm long thin glass rod is uniformly charged to +50 nC. A small plastic bead, charged to - 4.8 nC, is 4.2 cm from the center of the rod. What is the magnitude of the force of the bead.
A resistor with resistance R and a capacitor with capacitance C are connected in series to an AC voltage source. The time-dependent voltage across the capacitor is given by VC(t)=VC0sin wt.
A wheel is freely rotating at 85.0 rev/min and has a mass of 27.5 Kg and a radius of .7 m. If the wheel can be stopped in 7 seconds by using a towel and exerting an inward force of 55.0 N, what is the coefficient of kinetic friction between the wheel..
A hoodlum throws a stone vertically downward with an initial speed v0 from the roof of a building, a height h above the ground. Find how long does it take the stone to reach the ground
At one time, television sets used "rabbit-ears" antennas. Such an antenna consists of a pair of metal rods. How long is each rod
A waterfall is 87 meter high. If 20 percent of the gravitational potential energy of the water went into heating the water, find by how much would the temperature of the water
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