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Consider two widely separated conducting spheres, 1 and 2, the second having six times the diameter of the first. The smaller sphere initially has a positive charge q = 1.00×10-6 C, and the larger one is initially uncharged. You now connect the spheres with a long thin wire. How are the final potentials V1 and V2 of the spheres related? Find the final charges q1 and q2. q1? q2? What is the ratio of the final surface charge density of sphere 1 to that of sphere 2?
A fire hose of radius 0.0300m is connected to the pump outlet on the fire truck. At what average speed does water enter the hose
A proton traveling with a velocity of 6.20x10^6 m/s in the positive x direction encounters a uniform 0.25 magnetic field in the positive y direction
A 1.80 MHz sound wave travels through a pregnant woman's abdomen and is reflected from the fetal heart wall of her unborn baby. The heart wall is moving toward sound receiver as the heart beats.
question on forming the nuclide from the protons neutrons and electrons the mass loss per nucleon for the is 0.00759
What is the sound intensity level at a distance of 1.0 km? Express your answer to two significant figures and include the appropriate units.
A 25Kg block on horizontal surface is attached to a light spring k=8.0KN/m the block is pulled 10 cm to the right from its equilibrium position and released from rest. How much work is done by frictional force on the block as it moves the 2.0 cm
Electrons are located at the points (0,1), (3,4), (1, 2). Find the net electric field at the origin
A wheel with a moment of inertia of 20 kg m2 initially rotates freely with an angular velocity of 10 rad/s. A pad is applied to the outer surface to stop it. If it takes 10 seconds to stop, what is the torque due to friction?
At Sea World, a 32.0-kg seal slides down aramp into the pool below. What is the work is done by kinetic friction
A glider with mass m = 0.250kg sits on a frictionless horizontal air track, connected to a spring with force constant k = 4.60 N/m. What must the initial displacement of the glider be if its maximum speed in the subsequent motion is to be 2.60
what would be the appearance of the velocity-time curve if the falling body were so light that the effect of air
The volume of a cylinder is v = pir^2h. Write the down the correct general formula to determine the error in the volume of the cylinder, delta V, given delta r and delta h. How long would it take the jet-powered car to travel
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