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Question: Two 8.0mmÃ-8.0mm electrodes with a 0.10-mm-thick sheet of Mylar between them are attached to a 8.0 V battery. Without disconnecting the battery, the Mylar is withdrawn. (Very small spacers keep the electrode separation unchanged.)
Part A: What is the charge before and after the Mylar is withdrawn? Express your answer using two significant figures. Enter your answers numerically separated by a comma.
Part B: What is the potential difference before and after the Mylar is withdrawn? Express your answer using two significant figures. Enter your answers numerically separated by a comma.
Part C: What is the electric field before and after the Mylar is withdrawn? Express your answer using two significant figures. Enter your answers numerically separated by a comma.
A car (m= 2740kg)is moving at a speed of35.6m/s on the highway .the driver notices slower traffic ahead andapplies the brakes . The car slows down to a speed of 17.2 m/s in adistance of 148m due to the combination of the brakes and theair resistan..
speedboat a negotiates a curve whose radius is 156 m. speedboat b negotiates a curve whose radius is 238 m. each boat
Find out an effective coefficient of kinetic friction
A satellite orbits a planet of unknown mass in a circle of radius 2.0*10^7m?The magnitude of the gravitational force on the satellite from the planet is 74 N. What is the kinetic energy of the satellite in this orbit
This experiment tempts subjects to cheat. The subjects are led to believe that they can cheat secretly when in fact they are observed. Is this experiment ethically objectionable? Explain your position.
A 1.1 kg block of ice is initially at a temperature of -5°C. If 4.8 ? 105 J of heat are added to the ice, what is the final temperature of the resulting liquid water
Two trains, each having a speed of 30 km/h are headed at each other on the same straight track. A bird can fly 60km/h flies off the front of one train when they are 60 km apart and heads directly back to the first trains and so forth, what's the tota..
A car takes a sharp turn on a road. Which of the following provides the centripetal force on the car? The weight of the car, frictional force, tangential acceleration, or gravitational force?
An individual is nearsighted; his near point is 16.0 cm and his far point is 47.0 cm. What lens power is needed to correct his nearsightedness
Provide an example of where you might find angular velocities to be the same while tangential velocities are different, and vice versa.
1.60 g of gasoline are mixed with 32 g of water. What is the average density of the mixture? 2.32 cm^3 of gasoline are mixed with 54 cm^3 of water. What is the average density of the mixture?
a light bulb is rated at 60w 120 v. what is a the resistance of the bulb? b the current through the bulb when
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