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You are asked to construct a capacitor having a capacitance near 1 nF and a breakdown potential in excess of 10,000 V. You think of using the sides of a tall Pyrex drinking glass as a dielectric, lining the inside and outside curved surfaces with aluminum foil to act as the plates. The glass is 13 cm tall with an inner radius of 3.5 cm and an outer radius of 4.0 cm.
(a) What is the capacitance?
(b) What is the breakdown potential of this capacitor?
Consider the crates in the figure where m1 = 45 kg and m2 = 12 kg. Assume that there is no friction between m1 and the table, Write Newton's second law for motion along both coordinate directions
Red light of wavelength 633nm from a helium-neon laser passes through a slit 0.350mm wide. The diffraction pattern is observed on a screen 3m away.
A power supply maintains a potential difference of 86.1 V across a 1070-? resistor. What is the current in the resistor
The cord between the pouch and the person's hand has negligible mass and will break when the tension in the cord is 33.0 N or more. Assume the sling thrower could gradually increase the speed of the stone.
A ski starts from rest and slides down a 22° incline 75 m long. If the coefficient of friction is 0.09, what is the ski's speed at the base of the incline? If there is snow level at foot of the incline and it has the same coefficient of friction, ..
Compute the ground state energy and wavefunction
The floor received most of the collision energy and the force of the ball on the floor is upwards.
A guitar string is 90cm long and has a mass of 3.6g from the bridge to support post (L) is 60cm and the string is under the tension of 560. What are the frequencies of fundamental and first two overtones.
Two particles of masses m and 3.00m are moving toward each other along the x-axis with the same speed v. They undergo a head on elastic collision and rebound along the x- axis. Find out the final speed of the heavier object.
A potter's wheel having a radius 0.55m and a moment of inertia 12.5 kg·m2 is rotating freely at 55rev/min. The potter can stop the wheel in 6s by pressing a wet rag against the rim and exerting a radially inward force of 68 N.
Find the force to keep object moving.
A proton with v = 322 m/s is moving through a region in which the magnetic field is B = 2.2 T, what angle does the protons velocity make with B
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