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A -4.00 μC charge sits in static equilibrium in the center of a conducting spherical shell that has an inner radius 3.13 cm and an outer radius 4.13 cm. The shell has a net charge of -6.43 μC. Determine the charge on each surface of the shell and the electric field just outside the shell.
a heat engine has an efficiency of 65.0% and receives 150 J of heat per cycle. How much work does it perform in each cycle
a proton has an initial velocity of 4.50 x 105 ms in the horizontal direction. it enters a uniform electirc field of
A wheel turns 5 revolutions at 8 rad/s. Find the tangential velocity of a point on the rim of the wheel if the wheel has a radius of 0.50 meter
A specific satellite was located in a circular orbit about 140 meter above the Earth. Find what time required for one complete revolution
After driving around and undergoing a displacement of ?rx = 27.7 km and ?ry = -14.5 km, a driver finds herself at position r2x = -31.9 km and r2y = 15.7 km. What were the components of the driver\'s initial position vector, r1x and r1y, in kilometers..
A compound microscope has a barrel whose length is 15.0 cm and an eyepiece whose focal length is 1.5 cm. What focal length must the objective have
Determine at what angle should the roadway on a curve with a radius 50 meter be banked to allow cars to negotiate the curve at 12 m/s even if the road is icy and frictional force is zero
You are coating a glass lens of index of refraction 1.6 with a film of material of index of refraction 1.7. What is the thickness of the film now
A block with mass m = 15kg rests on a frictionless table and is accelerated by a spring with spring constant k = 4234N/m after being compressed the distance x1 = 0.536m from the spring's unstretched length. The floor is frictionless except for a roug..
We can roughly model a gymnastic tumbler as a uniform solid cylinder of mass 68.0 kg and diameter 1.20 m. What percent of his total kinetic energy is rotational
The crystalline lens of the eye is double convex and has a typical index of refraction of 1.43. Find the max and min power (in diopters) of the crystalline lens if it were in air
A flywheel is a solid disk that rotates about an axis that is perpendicular to the disk at its center. Rotating flywheels provide a means for storing energy in the form of rotational kinetic energy and are being considered as a possible alternativ..
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