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Two 8.0mm×8.0mm electrodes with a0.10-mm-thick sheet of Mylar between them are attached to a 9.0V battery. Without disconnecting the battery, the Mylar is withdrawn. (Very small spacers keep the electrode separation unchanged.) Dielectric constant for Mylar is ?Mylar=3.1.
Part A What is the charge before and after the Mylar is withdrawn?
Part B What is the electric field before and after the Mylar is withdrawn?
Drag racing combines the reflexes of the driver with a powerful engine to propel a specially designed car across a quarter mile as quickly as possible. What is the time for the car to go the quarter-mile
Write an equation for a wave with a frequency of 2Hz, a wavelength of 30 m, and an amplitude of 75 cm
From the top of a 70m building, you throw a ball straight up at 6m/s. The ball misses the building on the way down. what is the maximum height of the ball
A pair of eyeglass frames are made of an epoxy plastic (coefficient of linear expansion = 1.30 10-4°C-1). To what temperature must the frames be heated
Suppose that the sound level of a conversation is initially at an angry 72 dB and then drops to a soothing 50 dB. determine the initial and final sound intensities
A 53.0-kg person jumps from rest from the top of a 10.0-m-high tower straight down into the water. Determine the magnitude of the average force that the water exerts on the diver
In what time interval does it reach this velocity. How high would the insect jump if air resistance were negligible.
A stone is thrown from the top of a cliff 150 m above the ground, What is the speed (magnitude of velocity) of the stone when it hits the ground
The position of an object connected to a spring varies with time according to the expression x = (5.4 cm) sin(9.3?t). Find the frequency of the motion
You hold a spherical salad bowl 90 in front of your face with the bottom of the bowl facing you. The salad bowl is made of polished metal with the 30 radius of curvature. Where is the image of your 2.0 tall noses located.
To pump 100Joules of heat from the ice cube tray of freezing water at 273K, out into a hot room at 310 K, the laws of thermodynamics say that you will need at least how many Joules of ordered energy or work.
What is the moment of inertia of the disk for rotation about an axis through the edge of the disk
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