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Question: A 1.92-nF parallel-plate capacitor is charged to an initial potential difference Vi = 100 V and is then isolated. The dielectric material between the plates is mica, with a dielectric constant of 5.
Part A: How much work is required to withdraw the mica sheet?
I want help to find how much work is required to withdraw the mica sheet.
A proton and an alpha particle (q = +2e, m = 4 u) are fired directly toward each other from far away, each with an initial speed of 0.012c. What is their distance of closest approach
Assuming frictionless conditions, a table has a hanging mass, m1, over a pulley at the left side and another hanging mass, m2, over a pulley on the right side.
At a total loss how to figure out this answer - If you are flying an aircraft at 250 KTAS (422.5 fps) at 15,000 ft stable flight and you wanted to perform a climb (Nose attitude greater than 60 deg) to zero airspeed, assuming constant drag, thrust an..
An undamped 1.42-kg horizontal spring oscillator has a spring constant of 29.9 N/m. While oscillating, it is found to have a speed of 2.53 m/s as it passes through its equilibrium positio
A mover's dolly is used to deliver a refriger- ator up a ramp into a house. What gravitational potential energy is gained by the refrigerator
q1.a race car starts from rest on a circular track of radius 453 m. the cars speed increases at the constant rate of
UV light of wavelength 211 nm falls on a silver surface whose work function is 4.74 eV. Find the maximum speed of the photoelectrons emitted from the surface
what was (a) the negative charge in coulombs on one of them and (b) the positive charge in coulombs on the other.
Calculate the ratio of the drag force on a jet flying at 899km/h at an altitude of 7.8 km to the drag force on a prop-driventransport flying at half that speed and altitude. The density ofair is 0.51 kg/m3 at 7.8 km and 0.73 kg/m3 at3.9 km.
A particular string of length 3.2 m resonates in four loops at a frequency 360 Hz. What is the distance between two adjacent nodes? What is the frequency of the standing wave that will produce 5 loops?
How many kilograms of water at 100.0 C could be converted to steam by the addition of 1.13 x 10^7 joules of thermal energy.
An arrow is shot off the top of a bridge of unknown height. The speed of the arrow at launch is known to be 30.0 m/s. How tall is the bridge
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