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A high energy photon is scattered at an angle of ?=180.0° from an electron that is initially at rest. After scattering, the photon has a wavelength of 1.0 x 10-11 m. Find the energy of the incident X-ray photon. Give answer in units of keV for best answer.
The quartz crystal in a digital watch has a frequency of 32.8 kHz. What is its period of oscillation?
If the maximum acceleration that is tolerable for passengers in a subway train is 2.45 m/s2 and subway stations are located 840 m apart, What is the travel time between stations
A net force of 32 N accelerates a 4.7-kg mass over a distance of 15 m. What is the total work done by this net force
A large bouncy ball with a mass of 209 g is dropped straight down and then bounces back up to a height that is slightly lower than the point from which it was dropped. compute the magnitude of the average force that the floor exerts on the ball
If a person radiates about 66 W of power at room temperature, how long does it take for person to radiate away the energy acquired by consuming a 230 Calorie doughnut.
A broken piano emits frequencies from a low of 32.0 Hz to a high of about 4100 Hz. What is the shortest wavelength if the speed of sound in air is 342.50 m/s? Record the answer to three decimal places and include units in the answer.
A series ac circuit contains a 250? resistor, a 20.0mH inductor, a 3.50?F capacitor, Find the average power delivered to the entire circuit
A spider of mass m is sitting in a perfectly symmetric web (in a vertical plane with 45 angles between the web lines), where Ti's denote the tensions along the lines that are connected to the spider at the center with i = 1, 2, 3, 4, 5, 6, 7, 8. The ..
the speed of light in a certain material is measured to be 2.2*10^8 m/s. what is the index of refraction of this material
This problem introduces the concept of tension. The instance is a rope, oriented vertically, that is being pulled from both ends. Let and (with u for up and d for down) represent the magnitude of the forces acting on the top and bottom of the rope..
A homogeneous disk of radius R and mass M rolls without slipping on a horizontal surface and is attracted to a point a distance d below the plane. find the frequency of oscillations around the position of equilibrium
0.16mol of argon gas is admitted to an evacuated 40cm3 container at 10 ?C. The gas then undergoes an isochoric heating to a temperature of 500 ?C
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