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A 300 mH inductor and a 200 ohm light bulb are connected in series during a switch to a 12 volt DC power supply as shown.
1. Sketch a graph of the current vs. time starting when the switch is closed. Show an approximate time value and final current value on your sketch for reference.
2. Discover the energy stored in the inductor after the switch has been closed a long time.
A "sun yacht" is a spacecraft with a large sail that is pushed by sunlight. Although such a push is tiny in everyday circumstances, What is the magnitude of the resulting acceleration, If the craft starts from rest
When a carbon dioxide molecule attaches to a molecule of hemoglobin, the bond that forms between them immediately starts vibrating. What is the vibration frequency of the bond if the carbon dioxide molecule has speed of 2.42 m/s
A64-kg astronaut is in space, far from any objects that would exert a significant gravitational force on him. How fast is the astronaut moving after he throws the mallet
A rocket-powered hockey puck has a thrust of 2.5 N and a total mass of 1.0 kg. It is released from rest on a frictionless table, 5.5 m from the edge of a 2.0 m drop. The front of the rocket is pointed directly toward the edge. How far does the puck l..
A satellite moves in a circular orbit around the Earth at a speed of 6.1 km/s. Determine the satellite’s altitude above the surface of the Earth. Assume the Earth is a homogeneous sphere of radius 6370 km and mass 5.98 × 10^24 kg.
A father racing his son has two-fifths the kinetic energy of the son, who has three-fifths the mass of the father. The father speeds up by 1.0 m/s, What is the original speed of the son
A certain superconducting magnet in the form of a solenoid of length 0.30 m can produce a magnetic field of 13.0 T in its core when its coils carry a current of 105 A. The windings, made of a niobium-titanium alloy, must be cooled to 4.2 K. Find o..
a rectangular coil with resistance r has n turns each of length l and width w. the coil moves into a uniform magnetic
If an electric field strength greater than 3.88E+6 N/C causes the air to break down and conduct charge (lightning), what is the maximum charge the cloud can hold
Calculate the temperature at which a tung- sten filament that has an emissivity of 0.25 and a surface area of 6.6×10?5 m2 will radiate energy at the rate of 51Win a roomwhere the temperature is 26?C. The Stefan-Boltzmann constant is 5.6696 × 10?8 W/m..
Find the amplitude of oscillation of the car assuming it operates as an undamped driven harmonic oscillator. Neglect the mass of the wheels and assume that they are always in contact with the road.
A laser emits a light beam with a power of 5 mW. How many photons per second does this laser emit
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