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Consider a uniformly charged sphere of radius R and charge density ?. Describe the motion of a test charge Q, that moves without friction in a diagonal tunnel drilled through the sphere.
A ball of mass 0.60 kg is fired with velocity 140 m/s into the barrel of a spring gun of mass 2.5 kg initially at rest on a frictionless surface. The ball sticks in the barrel at the point of maximum compression of the spring.
The angular momentum of a flywheel having a rotational inertia of 0.647 kg·m2 about its central axis decreases from 6.30 to 0.880 kg·m2/s in 3.00 s. How much work is done on the wheel
It is desired to construct a solenoid that will have a resistance of 5.60 (at 20°C) and produce a magnetic field of 4.00 multiplied by 10-2 T at its center when it carries a current of 3.60 A. calculate the length the solenoid should have
The outside mirror on the passenger side of a car is convex and has a focal length of -6.0 m. Relative to this mirror, a truck traveling in the rear has an object distance of 9 m. Find the image distance of the truck. Find the magnification of the mi..
There are 2 spaceships, A and B, that approach the earth from opposite directions. Now according to an observer on spaceship A,she approaches the earth at 0.7c. According to an observer onspaceship B, he approaches the earth at 0.85c.
Force on a Particle A force F = (4.0 N)i + (c N)j acts on a particle as the particle goes through displacement d = (4.0 m)i - (2.0 m)j. (Other forces also act on the particle.) What is the value of c if the work done on the particle by force F is eac..
What was the spring constant of the Super Bungee? How much time after the Super Bungee was attached did it take the bus to stop.
A coal-fired plant generates 600MW of electric power. Theplant uses 4.8 X 10^6 kg of coal each day and the heat ofcombustion is 3.3 X 10^7 J/kg. What is the Carnot efficiency
Collisions between atomic and subatomic particles are usually perfectly elastic. Find the magnitude of the velocity of the alpha particle after the collision
A battery with an emf of 12.0 V shows a terminal voltage of 11.3V, What is the battery's internal resistance
A stone is dropped into a river from a bridge at a height h above the water. Another stone is thrown vertically down at a time t after the first is dropped. Both stones strike the water at the same time. What is the initial speed of the second sto..
A helium balloon ride lifts up passengers in a basket. Assume the density of air is 1.28 kg/m3, find the volume of helium in the balloon when fully inflated
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