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An x-ray photon of energy 1240 eV is scattered by a stationary electron. The scattered photon makes an angle of 35 degree with the initial direction of motion of photon. Determine the wavelength of the scattered photon. Obtain how much energy is gained by the electron?
The charge and the mass of an alpha particle are = 3.20×10-19 and = 6.68×10-27 , respectively. What is the final velocity of the alpha particle
What is the average force exerted on the ball. How fast (in ) must a centrifuge rotate if a particle 6.50 from the axis of rotation is to experience an acceleration of 125,000 's.
A 390 nm thick film floats on a puddle of water. When illuminated normally with 700 nm light there is no reflection, but 400 nm light is strongly reflected. What is the film's index of refraction
A 71 kg skier encounters a dip in the snow's surface that has a circular cross section with a radius of curvature of 12 m. If the skier's speed at point A is 7.0m/s , what is the normal force exerted by the snow on the skier at point B? Ignore fricti..
will true moment of inertia of the dumbell system be larger or smaller than I=2MR^2M suggests? if Rm where to double by how much would the moment of inertia change
What is the internal resistance of a 12 V car battery whoseterminal voltage drops to 9.90 V when the starter draws 73.8 A? What is the resistance of the starter
A 160 object is taken to a height of 320 above the Earth's surface. What is the object's mass at this height
A charged capacitor with C = 690 uF is connected in series to an inductor that has L = 0.460 H and negligible resistance. obtain the maximum voltage across the capacitor
A teenager pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it from rest to a frequency of 17 in 9.1 . Assume the merry-go-round is a uniform disk of radius 2.5 and has a mass of 770 , and two children (each with a ..
A block of mass slides on a frictionless tabletop. It is connected to a string that passes over a pulley and suspends a mass (Figure 1) . Suppose that the mass on the frictionless tabletop has the value = 2.30 kg Find the value of that gives an ac..
An elephant has legs that stretch 2.3 from its shoulders to the ground. How much time is required for one leg to swing forward after completing a stride, how many steps per minute will the elephant take
A tuning fork of unknown frequency is noted to be higher than one marked 512 hz and lower than one marked 1000 hz. You discover resonance points at .11 m and .53 m. Using 347 m/s for speed of sound what is the frequency of the new fork.
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