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A parallel-plate capacitor is formed from two 2.7cm-diameter electrodes spaced 2.2mm apart. The electric field strength inside the capacitor is 4.0×106 N/C. What is the charge (in nC) on each electrode?
When at rest, two trains have sirens that emit a frequency of 300Hz. The trains travel toward one another and toward an observerstationed between them. One of the trains movesat 26.0 m/s, and the observerhears a beat frequency of2.6 beatsper secon..
Suppose the particle has a charge q = 2.6 ?C and is moving with a velocity of magnitude v = 1.2 × 103 m s?1, Draw a diagram to indicate the direction of the force on the particle
A coil withan inductance of 2.7 H and aresistance of 10 is suddenlyconnected to an ideal battery with = 85 V. What is the rate at which energy is being delivered by the battery
A 305 turn solenoid has a radius of 7.00 cm and a length of 24.0 cm. Find the inductance of the solenoid
How many photons per second are emitted by a monochromatic lightbulb (640 ) that emits 45 of power If you stand 15 from this bulb, how many photons enter each of your eyes per second? Assume your pupil is 5.0 in diameter and that the bulb radiates un..
A 85.5-kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.59 rad/s. Find the angular velocity of the platform with its load
A mass m1 on a horizontal shelf is attached by a thin string that passes over a frictionless pulley to a 2.5 kilogram mass (m2) that hangs over the side of the shelf 1.5 meter above the ground. Find the coefficient of kinetic friction between m1 an..
A cart initially at rest accelerates at a constant rate a from time t0 = 0 to time t1, and then moves at constant speed from time t1 to time t2 = 2t1. Find what distance does the cart move from time t0 to t2
The G string on a violin has a fundamental frequency of 196 Hertz. calculate the effective length of her string
a .30kg puck initially at rest on a frictionless surface is struck by a .2kg puck that is initially moving along the
A simple harmonic oscillator consists of a block of mass 4.kg attached to a spring of spring constant 153 N/m. When t = 2 s, the position and velocity of the block are x = +0.129 m and v = +3.415 m/s.
consider a piece of photovoltaic.a sketch its layout showing the two regions of different doping identifying where the
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