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Particles P and Q areinitially at rest 1.0 m apart. P has a mass of0.10 kg and Q a mass of 0.30kg. P and Q attract eachother with a constant force of 10–2 N. No external forces act on the system.
a) Describe the motion of the center of mass.b) At what distance from P’soriginal position do the particles collide? Explain.
A gamma ray disappears in the process of creating an electron-positron pair. If the kinetic energies of the electron and positron are each 2.0 MeV, what was the energy of the gamma ray
q1. light from a he-ne laser lambda 632.8 nm strikes a pair of slits at normal incidence forming a double-slit
Figure skater is spinning at a rate of 1.0 rev/s with her armsoutstretched. She then draws her arms in to her chest,reducing her rotational inertia to 67% of its original value. What is her new rate of rotation?
A charged isolated metal sphere of diameter 26.0 cm has a potential of 8400 V relative to V = 0 at infinity. Calculate the energy density in the electric field near the surface of the sphere
A jet airplane flying over Chyenne, Wyoming, has an air speed of 260 m/s in a direction 5.0 degrees south of west. What is the velocity of the airplance relative to the earth
A train is moving parallel and adjacent to a highway with a constant speed of 23 m/s. Initially a car is 57 m behind the train, What is the speed of the car just as it passes the train
Honeybees acquire a positive charge while flying through the air. The rapid motion of the wings through the air provides the "friction" to strip charges off the bee, find the strength of the electrostatic force on the pollen grain
At the bottom of the sea a small hole developed at the body of a submarine. at what speed the water is entering into submarine
a circular metal plate of radius 0.2m has 1010 excess electrons uniformly distributed over its surfaces. what is the
you want to get an idea of the magnitude of magnetic fields produced by overhead power lines. you estimate that a
Discuss thermometers, absolute temperature, thermal joints inthe bridges, and thermostats in houses. In this discussion question, do not be limited merely by theexamples presented in the discription. Note that the spiritof the question is the expl..
A farmer throws a sack of wheat vertically downward with an initial speed of 12 m/s from the roof of a mill, 30.0 m above the ground. What is the speed of the sack at impact
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