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Q. A parallel-plate capacitor is formed from two 9.10cm x 9.10cm electrodes spaced 2.00mm apart. The electric field strength inside the capacitor is 5.00*10^6 . What is the charge (in nC) on each electrode?
Q. Assume an electron gun in a TV uses a potential difference of 50,000 Volts to accelerate an electron from a dead stop to a final velocity. The electron then hits a phosphor on the TV screen, making it glow, and making you chuckle at the amazing adventures of Sponge Bob. What is the final velocity of the electron in m/s?
What is an initial and final energy of the system energy? It takes .005 seconds for the bullet to embed itself into the block. What is an average impact force it experience.
What is an amplitude at a point where two pulses are crossing if the end at which reflection occurs is free to slide up and down.
Starting from rest, a 40 kg body reaches a speed of 8.0m/s in 2s. Calculate the force acting on the body?
The bullet becomes embedded in the block. If the bullet-block system compresses the spring by a maximum of 88.0 cm, what was the speed of bullet at impact with the block.
A 61.0 kg skier encounters a dip in the snow's surface that has a circular cross section with a radius of curvature of 12.0 m .If the skier's speed at point A is 7.50 m/s (before entering dip), what is the normal force exerted by the snow on the skie..
The flywheel of an engine has a moment of inertia 3.00 {rm kg} cdot {rm m} ^ {2} about its rotation axis. What is its final kinetic energy.
assume you would enter a vacuum chamber (on Earth), that is, a chamber with no air in it. Inside this chamber, if you dropped a hammer and a feather from the same height at the same time, both would hit the bottom at the same time.
What is an expression for , the position of mass I as a function of time? imagine that position is measured in meters and time is measured in seconds.
If you drop an aspirin and it takes 0.18 sec to hit the table, how high above the table was the aspirin when it released?
A piece of wood is 6.00 m long, 0.260 m wide and 0.060 m thick. Its density is 600kg/m cubed. What volume of iron ( P iron = 7.8 x 10 cubed kg/m cubed) must be fastened underneath the wood to sink it so that the top surface of the wood is just even w..
An elastic cord is 66 cm long when a weight of 66 N hangs from it but is 86 cm long when a weight of 76 N hangs from it. What is the "spring" constant k of the elastic cord.
suppose that the engineer is at x = 0 when, at t = 0, he first spots the locomotive. Sketch x(t) curves for the locomotive and high-speed train for the cases in which a collision is just avoided and is not quite avoided. Do this on paper. Your ins..
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