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An electron moving to the left at 0.8c collides with an incoming photon moving to the right. After the collision, the electron is moving to the right at 0.6c and an outgoing photon moves to the left. What was the wavelength of the incoming photon?
The photoelectric binding energy of cesium is 183.7 kJ/mol. Light having a wavelength of 2.4m falls upon a cesium surface in an evacuated tube. Calculate the minimum deBroglie wavelength of the emitted photoelectrons.
The water in the plumbing in a house is at a gauge pressure of 230,000 Pa. What force does this cause on the top of the tank inside a water heater if the area of the top is 0.9 m2? (Ignore atmospheric pressure.)
An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. What is the tire pressure in pascals
A string vibrates in five segments to a frequency of 460Hz. (a) what is its fundamental frequency? (b) What frequency will cause it to vibrate in three segments.
A compass needle in a uniform magnetic field of 0.25 T experiences a torque of 0.030Nm, What is the magnitude of the needle's magnetic moment
A cube has sides of length L=0.300m. It is placed with one corner at the origin. Find the total electric charge inside the cube
A 2.00-g charged particle is released from rest in a region that has a uniform electric field vector E = (590 N/C) i hat. After traveling a distance of 0.470 m in this region, the particle has a kinetic energy 0.150 J.
The nearest star to Earth is 4.3 light years away. How long does the trip take according to earth observers
A monochromatic light source used in a diffraction experiment has a wavelength of 4.60 X 10^-7 m. What is the energy of a photon of this light
Two charges, q1 = -80 nC and q2 = +50 nC are placed 3 m apart as shown. The (x,y) coordinates of the charges and two other points in meters are indicated. Find out the electric potential at points A and B
A piece of charcoal used for cooking is found at the remains of an ancient campsite. A 0.73 kilogram sample of carbon from the wood has an activity of 2330 decays per minute. Determine the age of the charcoal
Equak amounts of heat are added to equal masses of iron andsilver at the same initial temperature. Which metal will have the higher final temperature?
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