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An empty capacitor is connected to a 15.7-V battery andcharged up. The capacitor is then disconnected from the battery,and a slab of dielectric material (κ = 2.3) is inserted between the plates. Find the magnitude of the amount by which the potential difference across the plates changes.
The following charges are located inside a submarine: 15 micro Coulomb, -9 micro Coulomb, 25 micro Coulomb, and -31 micro Coulomb. obtain the net electric flux through the hull of the submarine
Estimate the spacing between the two irrandiance maxima closest to the geometric of a plain wave illuminated straightedge if the source distance is 10.0 cm and the observation distance is 20.0 cm. Assume wavelength=632.8 nm.
a uniform electric field exists between two parallel plates separated by 2cm. if an electron of mass 9.1 e-31 kg is
An object is accelerated by a force. If the acceleration increases by a factor 2 and the mass increases by a factor 4, by what factor was the force increased
A meterstick moving at 0.931c relative to Earth approaches an observer at rest with respect to Earth. What is the meterstick's length, according to the observer
Two 2.3-cm-diameter electrodes with a 0.10-mm-thick sheet of Teflon between them are attached to a 9.0 battery. What is the charge before the Teflon is removed
As part of a carnival game, a 0.503-kg ball is thrown at a stack of 15.8-cm tall, 0.383-kg objects and hits with a perfectly horizontal velocity of 10.8 m/s. what is the moment of inertia of the object
A metal sphere is filled with ammonia as part of a refrigeration device. what is the mass of the ammonia if it fills up half of the sphere
You toss a conductive open ring of diameter d = 2.65 cm up in the air. The ring is flipping around a horizontal axis at a rate of 7.25 flips per second. What is the maximum emf induced in the ring
question1a 1.00-kg beaker containing 2.09 kg of oil density 916 kgm3 rests on a scale. a 1.99-kg block of iron is
All parts of a wheel rotating about a fixedaxis must have the same angular acceleration. Angular speed and linear velocity have the samedimensions. All parts of a wheel rotating about afixed axis must have the same centripetal acceleration.
Machmer Hall is 400 m North and 180 m West of Witless. Astudent is late for her appointment in Machmer and wants to runthere directly from Witless. What is the distance from Witless to Machmer
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