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Two, concentric, thin spherical shells of radii R1 = 31.3 cm and R2 = 39.1 cm are uniformly charged with a total charge Q1 = -56.5 ?C and Q2 = 56.5 ?C, respectively. What is the potential of the outer shell?
What is the moment of inertia of the disk for rotation about an axis through the edge of the disk
What is the final angular velocity
computer chips are etched on circular cylinder wafers of thickness 0.60mm that are sliced from a solid cylindrical silicon crystal of length 30cm . If each wafer can hold 100 chips, what is the maximum number of chips that can be produced from one..
Ten meter long steel railroad rails are laid end to end, with no space between, on a hot day when the temperature is 115.°F. How much space now exists between each rail
Batteries are rated in terms of ampere-hours (A h). For example, a battery that can produce the current of 3.00 A for 5.00 h is rated at 15.00 A h. What is the total energy stored in an 8.0-V battery rated at 49.0 A h.
In the Bohr theory of the hydrogen atom, an electron moves with constant speed in a circular orbit about a proton, where the radius of the orbit is 0.53 x 10-10 m, Determine the electrostatic force exerted by the proton on the electron
the space shuttle is in a 230 mile high orbit. what are the shuttles orbital period in minutes and its speed.
What is the horizontal distance between elbow and the point where the weight of the forearm acts.
a positron is a particle with the same mass and magnitude charge as an electron, but a positron has a positive charge. what is the system's total kinetic energy
Calculate the number of electrons in a steel (iron) pinhead. The pinhead may be assumed to be spherical with diameter 2 mm
A cockroach of mass m lies on the rim of a uniform disk of mass 3 m that can rotate freely about its center like a merry-go-round. find the angular velocity of the cockroach-disk system
A high-speed photograph of a club hitting a golf ball. The club was in contact with a ball, initially at rest, for about 0.0028s. If the ball has a mass of 55 g and leaves the head of the club with a speed of 1.8 102 ft/s, find out the average forc..
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