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Consider two semi-infinite sheet with equal magnitude, but opposite sign, surface charge densities. The plates are 0.2 m apart and have a voltage of 3 V across them. An electron enters from left through hole at velocity v0 << c. What is the maximum kinetic energy the electron can have so that is does NOT hit the negative plate? 1 eV = 1.6 x 10^-19 Joules
A muon is produced by a collision between a cosmic ray and an oxygen nucleus in the upper atmosphere at an altitude of 50 km, What is the velocity of a muon at the surface
Determine the angular momentum of the Earth about its rotation axis (assume the Earth is a uniform sphere)
A transformer has 350 primary turns and 1390 secondary turns. The input voltage is 120?V and the output current is 18.0A, find the output voltage and input current
The spring constant for the tendon is the equal for both groups, 33. What is the difference in highest stored energy between the sprinters and the non athletes?
A copper ball with a radius of 1.7cm is heated until its diameter has increased by 0.19mm a)Assuming an initial temperature of 22 degrees celsius, find the final temperature of the ball.
A 2kg uniform cyclinder is released at the top of a 1.53 m 11 degree incline. What is the velocity when it reaches the bottom
A small plastic sphere with a charge of -6.0nC is near another small plastic sphere with a charge of -15nC. what is the distance between the spheres
A person wears a hearing aid that uniformly increases the sound level of all audible frequencies of sound by 27.8 dB. What is the intensity delivered to the eardrum
A solar cell generates a potential difference of 0.320 V when a 445.0 ? resistor is connected across it and a potential difference of 0.504 V when a 945.0 ? resistor is substituted. What is the emf of the cell
The potential difference between the plates of a capacitor is 247 V. Midway between the plates, a proton and an electron are released. find the initial speed of the proton
A Carnot cycle heat engine uses steam as the working fluid and has a thermal efficiency of 20%. calculate the work per kilogram of steam
Explain how many penguins of mass 27 kg each can stand on the ice block before they get their feet wet?
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