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The amount of charge that passes through a filament of a certain lightbulb in 1.90 s is 1.54 C. (a) Find the current in the bulb. A (b) Find the number of electrons that pass through the filament in 5.50 s. electrons (c) If the current is supplied by a 12.0-V battery, what total energy is delivered to the light bulb filament? J What is the average power?
A block rests on a spring and oscillates with a frequency of 4Hz and an amplitude of 7cm. What is the speed of the bead at the instant when it loses contact with the block
A cyclotron designed to accelerate protons has an outer radius of 0.570 meter. Determine for what time interval does one proton accelerate
A 240g block is attached to a horizontal spring and executes simple harmonic motion with a period of 0.150 s. If the total energy of the system is 3J.
A person pulls a 5.0 kg sled by a rope across a floor. The coeffecient of kinetic friction between the floor and the sled is 0.15. What is the horizontal acceleration of the sled
question 1 the system shown below is released from rest.a determine the smallest coefficient of static friction
A circular wine barrel 75 cm in diameter will burst if the netupward force exerted on the top of the barrel is 6490 N. What weight of water must be poured into the tube
An AC generator has an output rms voltage of 78 V at a frequency of80 Hz. If the generator is connected across a 25-mH inductor, discover the: inductive reactance
A body of mass 1.8 kg makes an elastic collision with another body at rest and continues to move in the original direction but with 1/7 of its original speed. What is the speed of the two-body center of mass
A Young's double-slit interference experiment is performed with blue-green argon laser light. The separation between the slits is 0.525 mm, What is the wavelength of argon laser light
solar cells can produce about 40 w of electricity per square meter of surface area if directly facing the sun. how
an elevator cab and its load has a combined mass of 1600 kg. find the tension in the supporting cable when the cab
A thin, uniform, rectangular sign hangs vertically above the doorof a shop. The sign is hinged to a stationary horizontal rod alongits top edge. Calculate its angular speed immediately after the impact
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