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An electron is released from rest at the negative plate of a parallel plate capacitor and accelerates to the positive plate (see the drawing). The plates are separated by a distance of 1.9 cm, and the electric field within the capacitor has a magnitude of 2.7 x 106 V/m. What is the kinetic energy of the electron just as it reaches the positive plate?
a 0.50 uF capacitor is charged to a 12V battery. How much electrical potential energy is stored in the capacitor
A light bulb is connected to a 120 V wall socket. The current in the bulb depends on the time t according to the relation I = (1.414 A) sin[ (125.6 Hz) t ]. What is the average power delivered to the light bulb
Calculate the commutation relation for the inner product of position and momentum and angular momentum. In other words, what is: [p\cdotr, L] (vector p dotted with vector r, vector L)
What is the maximum sideways angle. What is the train's acceleration after its wheel begins to stick.
A gymnast with mass m1 = 42 kg is on a balance beam that sits on (but is not attached to) two supports. The beam has a mass m2 = 106 kg and length L = 5 m. Each support is 1/3 of the way from each end. at first the gymnast stands at the left end of..
Assume after charging a 4.80 microF capacitor to 5 V you connect it to the second uncharged capacitor of 15 microF. What voltage will you voltmeter read across the second capacitor after repeating charge sharing process two times? State the answer..
A rotating wheel requires 6.00 s to rotate 30.0 revolutions. What is the constant angular acceleration (in rad/s) of the wheel
Light from a laser beam with a wavelength of 600 nm passes through a narrow single slit and observed on a screen 1.5 m behind the slit. The first minimum of the diffraction pattern is 1.5 cm from the central maximum. How wide is the slit?
The depth of water behind the Hoover Dam in Nevada is 220 m. What is the water pressure at base of this dam? (Neglect the pressure due to the atmosphere.)
A 30.0 capacitor initially charged to 30 is discharged by a 1.40 resistor. How long does it take to reduce the capacitor's charge to 2.00.
How much work would be required to move a 0.50 microCoulomb test charge from a point midway between them to a point 12 cm closer to ether of the charges?
An electron is released from rest at the point midway between the two charges, and it moves along the line connecting the two charges. Illustrate what is the speed of the electron when it is 10.0 from charge 1?
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