Find the momentum of the electron
A 0.367-nm photon collides with a stationary electron. After the collision, the electron moves forward and the photon recoils backwards. (a) Find the momentum of the electron. (b) Find the kinetic energy of the electron.
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The bullet goes completely through the target, emerging at only vf= 100 m/s on the opposite side. What is the angular speed of the target just after the collision?
A 2.05 kg frictionless block is attached to an ideal spring with force constant 325 N/m. Initially the spring is neither stretched nor compressed, but the block is moving in the negative direction at 15 m/s. Part A: Find the amplitude of the motio
If 95% and 98% confidence intervals were developed to estimate the true cost of an MP3 player with a known population standard deviation, what differences would they have?
At the exit, the pressure and velocity are 1.45 bar and 360 m/s respectively. Assuming ideal gas behavior for air, determine the heat transfer per unit mass of air flowing through the duct in kj/kg.
A heavily insulated piston-cylinder device contains 0.05 m3 of steam at 300 kPa and 150 degrees Celcius. Steam is now compressed in a reversible manner to a pressure of 1 MPa. Determine the work done on the steam during this process.
A very thin circular disk of radius R = 13.00 cm has charge Q = 20.00 mC uniformly distributed on its surface. The disk rotates with a constant angular velocity ? = 3.00 rad/s around the z axis through its center. What is the magnetic field streng
Determine the magnitude of force P acting on the crate. The coefficient of kinetic friction between the crate and the ground is mu k = 0.3.
In a household air condition system, R-134a is condensed steadily in an adiabatic closed heat exchanger by air. Air enters at 25 C and exits at 75 C with a volumetric flow rate of 0.2 m^3/s. The R-134a enters at 1000 C and exits as saturated liqui
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A 6-year-old has a yellow vaginal discharge. The examination is otherwise normal. What are key points in the history and physical examination?