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A 15-μF capacitor and a 30-μF capacitor are connected in series, and charged to a potential difference of 50 V. What is the resulting charge on the 30-μF capacitor?
1.) 0.80 mC
2.) 0.60 mC
3.) 0.50 mC
4.) 0.40 mC
Two identical conducting spheres, fixed in place, attract each other with a force of 0.084 N when their center to centerseparation is 40.00 cm. The spheres are then connected by a thin conducting wire.
A photographer uses a lens with f = 50mm to form an image of a distant object on the CCD detector in a digital camera, What is the height of the image now
A 1.0 kohm resistor is connected in series with a 10 mH inductor, a 30 V battery, and an open switch. at time t=0, the switch is suddenly closed. What are the voltage drops Vr and Vl 20.00 us after the switch is closed.
In a Compton collision, if the wavelength of the photon is 1.00 pm and its deflected angle is 60.0°
An electron is a subatomic particle (m = 9.11 x 10-31 kg) that is subject to electric forces. estimate the magnitudes of the net force acting on electron
Two moles of an ideal diatomic gas have an initial pressure of 4:00 atm and initial volume of 16:0 L. What are the initial and final temperatures of the gas
An electron enters a magnetic field of 0.7 T, moving perpendicular to it with a speed of 5·105 m/s. If an electron were sent at the same speed, but at an angle of 70o to the magnetic field.
A boulder has a volume of 1 m3 and a mass of 5000 kg. what will be the effective mass of the boulder
The coils of a motor's rotor have resistance of 2.0 Ω. When the motor runs at full speed, powered by 115V linevoltage it draws a current of 9A. What is the back electromagnetic field (emf) in this motor under those conditions? If the motor is preve..
The orbit of the moon takes 27.321661 days (you should convert to seconds!) at a radius of 384,748 km, Calcualte the orbital speed of the moon
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
When light from your desk lamp passes through a 45-mm focal length lens, How far is the desk lamp from the lens
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