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A cylindrical shell of radius 7cm and length 2.4 cm has charge uniformly distributed on its surface. The magnitude of the electric field at a point 19 cm radially outward from its axis, at the midpoint of the shell, is 36kN/C. Find:
1) The net charge on the shell
2) The electric field at a point 4cm radially outward from its axis, at the midpoint of the shell.
A hot air balloon decends toward the ground with a velocity of (1.6 m/s)y hat. A champagne bottle is opened to celebrate takeoff, How long does the cork remain in the air
He+ is a helum atom with one electron missing. Treating this like a hydrogen arom, what is the first excited state of this atom
A coil of wire with 217 circular turns of radius 3.20cm is in a uniform magnetic field along the axis of the coil. The coil has R = 41.5?, calculate the average emf induced in the coil
The world record for a high jump from a standing position is 1.90 m. With what speed must a jumper leave the ground to the attain this height
An airplane has an effective wing surface area of17m2that is generating the lift force. What is the weight of the plane
The distance between atoms in a solid is typically around 2.0 x 10-10 m What is the wavelength of an electron with a kinetic energy of 110 eV
Blue laser pointers are now available. If the blue laser emits 5 mW of light at 473 nm, how many photons per second is it emitting
How much energy is dissipated during the 5 minute interval.
Assume that a 7.0 cm diameter, 120 W light bulb radiates all its energy as a single wavelength of visible light. Estimate the electric field strength at the surface of the bulb
If a capacitor has the initial charge of 5.0uC, L = 0.080H, C = 10uF, and R = 0, What is the maximum energy stored in the inductor
An Astronomer is in a spaceship that is orbiting around a planet with a period of 34 hours. What is the mass of the planet
find magnitudes of the tension forces in the first two ropes. what is the velocity of the cart when it reaches its greatest y coordinate.
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