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A parallel-plate capacitor is charged by being connected to a battery and is then disconnected from the battery. The separation between the plates is then doubled. How does the electric held change? The potential difference? The total energy? Explain your reasoning.
1. two radio antennas separated by d 300 m simultaneously broadcast identical signals at the same wavelength. a car
Suppose that a projectile which is subject to a linear resistive force is thrown vertically down with a speed Vyo which is greater than the terminal speed Vterm. Describe and explain how the velocity varies with time and make a plot of Vy against t f..
An insulating sphere of radius 5.00 cm centered at the origin, has a uniform volume charge density 3.08 uc/m^3. What is the electric field inside the spherical shell at 3.12 cm
What is the process of increasing the internal energy of a system called?
two positive point charges. each of which has a charge of 3.5x10-9c are located at y0.80m and y - 0.80m. find the
A mass less spring hangs from the ceiling with a 10 kilogram mass attached to it. Compute how much does springs potential energy increase
A 68-kg base runner begins his slide into second base when he is moving at a speed of 4.2 m/s. How far does he slide
question an electron is accelerated through 2.45103v from rest and then enters a uniform 2.80-t magnetic field.a what
A laser beam travels from air (n=1.002) into glass (n=1.522)and then into gelatin. The incident ray makes a 58 angle with the normal as it enters the glass and a 36.4 angle with the normal in the gelatin. Determine the angle of the refracted ray in..
A puck of mass 8 kg moving at 8m/s strikes an identical puck that is stationary on frictionlessice. After the collision, the firstpuck leaves with a speed of v1 at an angle of 31.4757? with respectto its original line of motion and the second puck le..
The spring of the pressure gauge has a force constant of1000 n/m and the piston has a diameter of 2.00 cm as the gauge is lowered into water, what change in depth causes piston to move in by 0.50 cm.
While taking photographs in Death Valley on a day when the temperature is 52.0°C, What current does he register there if the temperature is -88.0°C
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