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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.
A 20-cm-radius ball is uniformly charge to 80nC. What is the ball's volume charge density and How much charge is enclosed by spheres of radii 5, 10 and 20 cm
A comet of mass m, following a trajectory that is a a parabola about the sun, collides with an equal mass at rest, determine the nature of the orbit after the collision
An isolated conductor has net charge +10 x 10-6 C and a cavity with a point charge q = +3 x 10-6 C. What is the charge on the cavity wall and the outer surface
A golf ball strikes a hard, smooth floor at an angle of 30 ° and, as the drawing shows, rebounds at the same angle. The mass of the ball is 0.047 kg, its speed is 45 m/s just before and after striking the floor. What is the magnitude of the impuls..
The Large Hadron Collider, or LHC, to be completed later this year, accelerates protons around a nearly circular track of circumference 26.66 km to a momentum of up to 3.74e-15 kg m/s, For the same magnetic field as in part (a), what is the momentu..
q1. if the create has a mass of 90 kg and is 1.6 m tall and 0.80 m in depth and width what is the minimum force needed
A 515-? resistor, an uncharged 1.50-µF capacitor, and a battery with an emf of 6.45 V are connected in series. What is the RC time constant?
The velocity of a particle is v(t)=k, 0 (less than or equal)
q1. potassium iodide has an interplanar spacing of d 0.296 nm. a monochromatic x-ray beam shows first-order
A sledge loaded with bricks has a total mass of 17.0 kg and is pulled at constant speed by a rope inclined at 19.9° above the horizontal. What is the mechanical energy lost due to friction
A wire has a length of 5.60*10-2 m and is used to make a circular coilof one turn. There is a current of 2.80 Ain the wire. In the presence of a 3.70-Tmagnetic field, what is the maximum torque that this coil canexperience.
what is the combined mass of the dog and basket.
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