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Energy stored in Electric and Magnetic Fields: A magnetic field has a magnitude of 10 T. What is the magnitude of an electric field that stores the same energy per unit volume as this magnetic field? What is the ratio of this computed electric field to the electric field at a distance of 1 Angstrom from a proton?
An undamped 2.23-kg horizontal spring oscillator has a spring constant of 24.3 N/m. What is the oscillator\'s total mechanical energy as it passes through a position that is 0.785 of the amplitude away from the equilibrium position
question a carnot engine whose high-temperature reservoir is at 580 k takes in 520 j of heat at this temperature in
The magnitude of the acceleration due to gravity
A basketball player makes a jump shot. The 0.603 kg ball is released at a height of 2.07 m above the floor with a speed of 7.19 m/s. What is the work done on the ball by air resistance
A sphere of radius 1.0 cm is dropped into a glass cylinder filledwith a viscous liquid. The mass of the sphere is 12.0 g and thedensity of the liquid is 1200 kg/m3. The sphere reaches a terminalspeed of 0.15 m/s. What is the viscosity of the liquid?
A 827 cm^3 gold nugget and a 827 cm^3 aluminum block are immersed in water. Which object experiences the greater buoyant force
A CD rotating at 1200 rpm starts slowing down at a constant rate such that, after the first two seconds, it has made 10 rotations. Find the time needed for the CD to come to rest
a 9.0 kg mess kit sliding on a frictionless surface explodes into two 4.5 kg parts one moving at 3.0 ms due north and
an ideal fluid is moving at 2.8ms in a section of a pipe of radius 0.18m . if the radius in another section is 0.38m
A person hums into the top of a well and finds that standing waves are established at frequencies of 10, 30, and 50 Hz. How deep is the well
The athlete shown in the figure rotates a 1.00 kg discus along a circular path of radius 1.07 m. find the magnitude of the maximum radial acceleration of the discus
questiona student standing on a stationary skateboard tosses a textbook with a mass of mb 1.55 kg to friend standing
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