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In figure, calculate the X-ray intensity, as a function of the incident intensity I_o, that reaches the film for each of the three X-ray beams. The dark-shaded area represents bone and the light-shaded area represents tissue. The linear attenuation coefficients at the effective X-ray energy of 68 KeV are 10 and 1 cm^-1 for bone and tissue, respectively.
A 2400 kg car moving at an initial speed of 25 m/s along a horizontal road skids to a stop in 64 m. Find the energy dissipated by friction
A pendulum is made with a 4.00 kg mass suspended at the end of a thin rod, What is the length of the thin rod
If we have a particle in an infinite square well and the ground state energy is E_10 and then the well is perturbed by H'(x)=x2 *(.5*E_10/a2 ) how can I determine the energy at n=2 to the 2nd order in perturbation theory, taking into account the effe..
The figure shows two charged particles on an xaxis: -q = -6.40 ×10-19 C at x =-4.00 m and q = 6.40 ×10-19 C at x =4.00 m. What are the (a)x-and (b)y- components of the netelectric field produced atpoint P at y = 2.00 m?Different numbers than the book..
A solid, horizontal cylinder of mass 10.0 kg and radius 1.30 m rotates with an angular speed of 5.50 rad/s about a fixed vertical axis through its center. Determine the final angular speed of the system
The axis of a cylindrical container is vertical. The container is filled by equal masses of water and oil. The oil floats on top of the water, and the open surface of the oil is at a height above the bottom of the container.
A woman throws a ball at a vertical wall d = 3.0 m away. The ball is h = 1.5 m above ground when it leaves the woman's hand with an initial velocity of 12 m/s at 45°. How long was the ball in the air after it left the wall
Two large identical flat metal plates are placed parallel to one another, seperated by a small distance compared to their linear size. One plate is given a charge per unit area 2.50E-5 C/m2 and the other a charge per unit area -2.50E-5 C/m2. Using..
Which of the following is a reasonable conclusion concerning the difference among the accepted value and the measured value for the acceleration due to gravity near the surface of the Earth?
Two children are playing on a balanced seesaw. One child with a mass of 40 kg sits 1.6 m from the center. Where on the other side must the second child sit
a container of ideal gas for which the thermal energy is given by eth 2.6 n r t is initially at pressure pi 1.1 x
Your roommate is working on his bicycle and has the bike upside down. He spins the 64 -diameter wheel, what is the pebble's speed and acceleration
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