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A resistor of 2 ? and another of 3 ? are connected in parallel, and this combination is joined in series with a 4-? resistor across a battery. If the current in the 2-? resistor is 2.0 A, what is the potential drop across the 3-? resistor?
A bullet of mass 0.0022 kg initially moving at 503 m/s embeds itself in a large fixed piece of wood and travels 0.71 m before coming to rest. Assume that the acceleration of the bullet is constant.
The bullet penetrates into the block and stops due to its friction with the block. The compound system of the block plus the bullet rises to a height of 11 cm along a circular arc with a 20 cm radius A bullet with a m1 = 30.0 g mass is fired horizont..
The bullet passes right through and emerges on the other side with a speed of 100 m/s, and the saxophone is given a speed of 4.8 m/s.
A circuit consists of a battery connected to three resistors (65?, 26?, and 170?) in parallel. find the current through each resistor
In a lightning bolt, a large amount of charge flows during a time of 1.6 x 10-3 s, How much charged has flowed during the lightning bolt
Two small metallic spheres, each of mass m = 0.198 g, are suspended as pendulums by light strings of length L as shown in the figure below. The spheres are given the same electric charge of 7.4 nC, and they come to equilibrium when each string is ..
An electric vehicle starts from rest and accelerates at a rate of 2 m/s2 in a straight line until it reaches a speed of 25.00 m/s. The vehicle then slows at a constant rate of 1.1 m/s2 until it stops. (1) How much time elapses from start to stop? ..
A rocket is fired from the ground but at 30m it runs out of fuel, How fast is it going when it comes back down to earth
the power company charges 10 cents per kilowatt-hour, explain how much will it cost to leave the bulb on for 30 days? Show your work.
A certain superconducting magnet in the form of a solenoid of length 0.40 m can generate a magnetic field of 14.0 T in its core when its coils carry a current of 95 A. Find the number of turns in the solenoid
Two charges, qA and qB, are divided by a distance, d, and exert a force, F, on each other. Analyze Coulomb's law and answer the following questions.
A space station is constructed in the shape of a wheel 25 in diameter, with essentially all of its 5.10×10^5 mass at the rim.
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