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A C=35 pF parallel plate cApacitor has plates of area A=402cm^2. What is the electric field between its plates when it is connected across a potential difference of V=14.5 Volts?
An electron is trapped within a sphere whose diameter is 5.90 × 10-15 m, What is the minimum uncertainty in the electron's momentum
Which of the following will create a magnetic field? An ion that is slowing down from 500 km/h to 400 km/h. neutron that is speeding up from 1000 m/s to 1200 m/s.
Originally a pattern in produced on a screen from light flashed on a two-slit mask. The center of the screen is C and is originally a spot of maximum constructive interference. Spot Z is the next spot of maximum constructive interference.
A beam of light crosses the interface between two media with an angle of incidence of 34.0° and an angle of refraction of 24.6°. What is the index of refraction of the first medium
A certain spring has a spring constant k of 2.5 k N/m and is compressed by 50 cm. What is the muzzle velocity as the bullet leaves the barrel
Only radiation with wavelengths smaller than 0.2424um is capable of dissociating molecular oxygen into atomic oxygen, according to the reaction: O2 + photon
Two point charges are placed on the y axis as follows: charge q1= -1.50 nC at y= -.600m, What is the net force (magnitude and DIRECTION) exerted by these two charges on a third charge
A sphere of radius 0.500 m, temperature 25.5°C, and emissivity 0.873 is isolated in an environment of temperature 77.0°C. What is the sphere's net rate of energy exchange
A tube with a 5.0 mm radius has ions flowing through it. To determine the rate at which the charge is being moved through the tube, find the magnitude of the current flowing through the tube
The lens of a camera with focal object length fo =9cm perfectly focuses the image of an object on film located adistance 14 cm away from the lens. How far did the object move
A clock has a pendulum that performs one full swing every 1.5 s (back and forth). What is the length of the pendulum
Two and one-half kg of ice at temperature T' = 0ºC is melted into water at the same temperature by placing it in contact with a reservoir at temperature TR = 20.0ºC. find the change in entropy of the ice that was melted
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