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Answer the following question: Be sure to show all your work. Include formulae and units! EVERY TIME! Don’t forget to give relevant diagram.
Lasers are utilized to try to produce controlled fusion reactions that might supply large amounts of electrical energy. The lasers need brief pulses of energy that are stored in large rooms filled by capacitors. One such room has a capacitance of 61 x 10-3 F charged to a potential difference of 10.0 kV.
1. Discover the energy stored in the capacitors?
2. The capacitors are discharged in 10 ns (1.0 x 10-8 s). What power is produced?
3. If the capacitors are charged with a generator with a power capacity of 1.0 kW, how many seconds will be needed to charge the capacitors?
A major-league pitcher can throw a baseball in excess of 41.9 m/s. If a ball is thrown horizontally at this speed, how much will it drop by the time it reaches the catcher who is 18 m away from the point of release.
the electronic meter of an electric bike indicates that you are riding at 9.1 rads. the wheel has a radius of 0.45 m.
The coil of a galvanometer has a resistance of 19.8 ?, and its meter deflects full scale when a current of 6.30 mA passes through it. What is the maximum current that this ammeter can read
An archeologist on a dig finds a fragment of an ancient basket woven from grass. Calculate the age of the basket
a charged capacitor with c 630uf is connected in series to an inductor that has l 0.400h and negligible resistance.
A ball of mass 0.40 kg is fired with velocity 140 m/s into the barrel of a spring gun of mass 2.1 kg initially at rest on a frictionless surface. What fraction of the ball's initial kinetic energy is stored in the spring
A spherical shell of inner radius a and outer radius b is constructed of uniformly magnetized material with magnetization M. (a) Find the equivalent volume and surface current distributions.
a flat plate solar collector 6 ft by 12 ft is mounted on the roof of a house. the outer surface of the collector is at
An automobile battery has an emf of 12.60 V and an internal resistance of 0.076 0 ?. What is the potential difference across the headlight bulbs when they are the only load on the battery
a brother and sister are playing in the woods when suddenly the brother realizes that they are separated. the last
In the figure a small, nonconducting ball of mass m = 1.0 mg and charge q = 1.7 x 10-8 C, calculate the surface charge density of the sheet
Two conductors having net charges of +14.0 µC and -14.0 µC have a potential difference of 14.0 V between them. Determine the capacitance of the system
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