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Gamma rays (γ rays) are high-energy photons. In acertain nuclear reaction, a γ ray of energy .511 MeV (millionelectrovolts) is produced.
Compute the freguency of such a photon.
Three resistors with values of 2.7 , 3.8 , and 6.4 , respectively are connected in parallel in a circuit with a 24 V battery. How much current is delivered to the circuit by the battery
grinding wheel is initially at rest. A constant external torque of 47.2 N· m is applied to the wheel for 18.8 s, Find the moment of inertia of the wheel
A conducting sphere with charge -Q is surrounded by a concentric, conducting spherical shell. The shell has a net charge of +3Q. What is the total charge on the outer surface of the shell
A person sees clearly wearing eyeglasses that have a power of -5.00 diopters, If the person wants to switch to contact lenses placed directly on the eyes, what lens power should be prescribed
A projectile is fired at 60.0 o above the horizontal. Its initial speed is equal to 150.0 m/s. Like most problems in this class (2010), ignore the effects of air unless told otherwise
Two long concentric cylindrical shells are both centered on a longwire. The long wire has a constant charge density λ = 340microcoulombs per meter. The smaller cylinder has a radius of 3.75centimeters and has a constant charge density that appears..
A body of mass 1.8 kg makes an elastic collision with another body at rest and continues to move in the original direction but with 1/7 of its original speed. What is the speed of the two-body center of mass
A 1.8-m-long glass tube that is closed at one end is weighted and lowered to the bottom of a freshwater lake. Determine the depth of the lake
As a summer intern for a microscope company, you are designing a compound microscope for a client that provides you with the following information. determine the barrel length needed for the microscope
The image produced by a concave mirror is located 27 cm in front of the mirror. How far in front of the mirror is the object located
By holding a magnifying glass 32 from your desk lamp, you can focus an image of the lamp's bulb on a wall 1.8 from the lamp. What is the focal length of your magnifying glass
What would be the nature and height of the image?
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