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An infinitely long cylinder of radius 4.0 cm carries a uniform volume charge density r = 200 nC/m3. What is the electric field at r = 4.1 cm?
a. zero
b. 0.11 kN/C
c. 57 N/C
d. 0.44 kN/C
e. 0.23 kN/C
When 5.30* 10^5 J of heat is added to a gas enclosed cylinder fitted with a light frictionless piston maintained at atmospheric pressure, estimate the work done by the gas
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The coefficient of friction between a certain brass block and a large revolving turntable is μ = 0.24. What is the period of rotation of the turntable
Neutron stars consist only of neutrons and have unbelievably high densities. A typical mass and radius for a neutron star might be 3.8 x 1028 kg and 1.3 x 103 m. Find the density of such a star
A 2.60 kg steel gas can holds 15.0 L of gasoline when full. What is the average density of the full gas can, taking into account the volume occupied by steel
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A proton with a velocity in the positive x-direction enters a region where there is a uniform magnetic field B in the positive y-direction, The electric field should be in the...which direction
A heart defibrillator passes 11.8 A through a patient's torso for 5.00 ms in an attempt to restore normal beating. What was the path's resistance
A beam of protons moves in a circle of radius 0.34 m. The protons move perpendicular to a 0.29-T magnetic field. What is the speed of each proton
A plank 2.00 cm thick and 14.9 cm wide is firmly attached to the railing of a ship by clamps so that the rest of the board extends 2.00 m horizontally over the sea below. find the shear modulus of the wood
A battery has an emf and an internal resistance r. When the battery is connected to a 20 ohm resistor, the current through the battery is 0.60A
What is acceleration due to gravity
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