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Solve the all parts of given problem:
Problem: A 4 mev photon brings about pair production in a piece of material. assume the electron and positron pair move in opposite direction with equal speed.
Part A: What is the kinetic energy of the positron?
Part B: What is the speed of the positron as measured by an observer in the lab?
I need help to find the speed of the positron as measured by an observer in the lab.
A flea is able to jump straight up about 0.38 meter. It has been said that if a flea were as big as a human, it would be able to jump over a 100 story building! Find how high would this superflea be able to jump
a proton accelerates from rest in a uniform electric field of 680 nc. at some later time its speed is 1.40 multiplied
There was a major collision of an asteroid with the Moon in medieval times. How long after the asteroid hit the Moon, which is 3.84e+05 km away, would the light first arrives on Earth
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A fan blade, initially at rest, rotates with a constant acceleration of 0.025 rad/s2. What is its angular speed at the instant it goes through an angular displacement of 4.2 rad.
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An inductor (L = 400 mH), a capacitor (C = 4.43 µF), and a resistor (R = 500 ?) are connected in series. Calculate the required maximum voltage
q1. a rubber ball of mass m 0.739 kg is dropped from a height ho 4.73 m and it rebounds to a height hf 3.66 m.
A model rocket fired vertically from the ground ascends with a vertical acceleration of 4.0 m/s2 for 5.8 s, What is the maximum altitude reached
consider a light bulb with a filament made from tungsten with a resistivity temperature coefficient of 4.5e-3k. suppose
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