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1. A certain dielectric, with a dielectric constant 25, can withstand an electric field of 5 × 107 V/m. Suppose we want to use this dielectric to construct a 0.4 µF capacitor that can withstand a potential difference of 2200 V. The permittivity of free space is 8.85 ×10-12 C2/N · m2. What is the minimum plate separation? Answer in units of µm.
2. What must the area of the plates be? Answer in units of m^2.
A jet transport has a weight of 2.43 x 106 N and is at rest on the runway. The two rear wheels are 16.0 m behind the front wheel, and the plane's center of gravity is 12.4 m behind the front wheel. Determine the normal force exerted by the ground on ..
an ambulance moving at 42 ms sounds its siren whose frequency is 450hz. a car is moving in the same direction as the
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Heat is added isothermally to 3.05 mol of a monatomic ideal gas. The temperature of the gas is 311 K. Find how much heat must be added to make the volume of the gas double
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A rod of mass m and length x is supported on a knife edge at its midpoint. A ball of clay M is dropped from rest from a height y and makes a perfectly inelastic collsion with the rod 0.9m from the point of support. Discover the angular momentum of th..
A moving 4.50 kg block collides with a horizontal spring whose spring constant is 343 N/m. find the work done by the spring in bringing the block to rest
Suppose the highway is icy and the coefficient of friction between the tires and pavement is only one-third what you found in part A. Illustrate what should be the maximum speed of the car so it can round the curve safely?
An explorer is caught in a whiteout (in which the snowfall is so thick that the ground cannot be distinguished from the sky) while returning to base camp.
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