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One particle has a mass of 2.00 10-3 kg and a charge of +7 µC. A second particle has a mass of 5.00 10-3 kg and the same charge. The two particles are initially held in place and then released. The particles fly apart, and when the separation between them is 0.108 m, the speed of the 2.00 10-3-kg particle is 136 m/s. Find the initial separation between the particles.
Two blocks are connected by a lightweight, flexible cord that passes over a single frictionless pulley. If m1 >> m2, find the acceleration and tension of each block
Initially 0.900 mol of an ideal gas in a container occupies a volume of 3.40 l at a pressure of 3.80 atm with an internal energy U1 = 410.4 J. Find the heat added during this process
Quadrupole moments in the shell model
The mass of a regulation tennis ball is 58.0 g (although it can vary slightly), and tests have shown that the ball is in contact with the tennis racket for 31.0 ms. what impulse did he exert on the ball
A simple refracting telescope provides large magnification by employing
A pressure as low as P = 8 ? 10-11 Pa has been obtained. Suppose a chamber contains helium at this pressure and at room temperature, Estimate the mean free path
The electron gun in a TV picture tube accelerates electrons between two parallel plates 1.5cm apart with a 27 kV potential difference between them.
A wire is moving perpendicularly through a magnetic field of strength 0.100 T with speed 60.0 m/s. If the potential difference between the ends of the wire is 2.00 V, what is the length of the wire?
A 50g marble moving at 2.2m/s strikes a 30g marble at rest. Assume the collision is perfectly elastic and the marbles collide head-on. What is the speed of the first marble
An aluminum rod is 17.0 cm long at 20°C and has a mass of 350 g. what is the change in length of the rod
Two 10-cm-diameter charged rings face each other, 21.0cm apart. Both rings are charged to + 50.0nC. What is the electric field strength at the midpoint between the two rings
Conversations with astronauts on the lunar surface were characterized by a kind of echo in which the earthbound person's voice was so loud in the astronaut's space helmet, Calculate the distance from Earth to the Moon
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