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A solid nonconducting sphere has a radius of 50.0 cm. It has a uniform charge density of 3.00×10-3 C/m3. What is the strength of the electric field (a) at a distance of 2.00 m from the center of the sphere? (b) at the surface of the sphere? (c) at a distance of 25.0 cm from the center of the sphere? (Hint: use the shell theorem, which states that when calculating an electrostatic force or field outside a sphere with a uniform charge, the sphere can be treated as though all of its charge resides at the center.)
A person pushes a 16.0 kg shopping cart at a constant velocity for a distance of 22.0 m. She pushes in a direction 26.0° below the horizontal. Determine the work done by the pushing force
Four charges are placed at the vertices of a square, centered at the origin. If each side of the square has a length of 0.224 m, what is the strength and direction of net electric field at the origin? Express your answer in terms of the charge ma..
A particle moves so that its position as a function of time is r(t)= i hat + 4(t) ^2 j hat + (t)k hat, What is the shape of the particle's trajectory
alice is located at a safe infinite distance from a black hole with a mass of 10 solar masses. she drops a clock on a
a proton accelerates from rest in a uniform electric field of 624 nc. at some later time its speed is 1.04 x 106 ms.a
The wall of a house consists of three layers: a wooden outer wall with an R factor of 1.0, a 3in layer of fiberglass insulation with an R factor of 11, what is the rate of heat loss throug an 8ft by 15ft section of this wall
Suppose that a structure of arbitrary complexity has a number of forces applied to it (at various points) and yet is in static equilibrium. The principle of virtual work allows one to write an equation that relates the applied forces.
A cylinder with a movable piston contains gas at a temperature of 27°C, a volume of 1.5 m³, and an absolute pressure of 20,000 Pa. What will be the final temperature if the gas is compressed 2.7 m³ and the absolute pressure increases to 80,000 Pa.
If you weigh 690 {rm N} on the earth, what would be your weight on the surface of a neutron star that has same mass as our sun and a diameter of 21.0 {rm km}.
A satellite moves in a circular orbit around Earth at a speed of 4880 m/s. Find the satellite's altitude above the surface of Earth
A 90.0 ohms resistor, a 0.110 H inductor, and a 16.0 uF capacitor are connected in series to a 60.0 Hz source. Find the rms voltage across the resistor
a person of weight 80 kg jumped off a platform of height 1 m bounced off and ended up on the same platform. what is the
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