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The plate separation of a charged capacitor is 0.0690 m. A proton and an electron are releasedfrom rest at the midpoint between the plates. Ignore the attractionbetween the two particles, and determine how far the proton hastraveled by the time the electron strikes the positive plate.
so hydrogen atoms have a thermal velocity of about 1000 m/s. How does the energy stored in the magnetic field compare with the kinetic energy in a given volume of space.
A balloon inflated with helium (density .2 kg/m^3). If the density of air is 1.3 kg/m^3, what is the bouyant force exerted on the balloon
A diving bell has a weight of 100000 N when measured on shore. What is the buoyant force, FB, on the diving bell
A 1400 kg block is lifted at a constant speed of 4 cm/s by a steel cable that passes over a massless pulley to a motor-driven winch. What force must be exerted by the cable
A baseball is bunted down the third-base line leaving the bat from a height of 0.800m with an initial velocity of 8.00m/s at an angle 30 degrees above the horizontal. What is the speed of the ball just before it hits the ground
A basketball rolls without slipping down an incline of angle?. The coefficient of static friction is?s. Model the ball as a thin spherical shell. Find the acceleration of the center of mass of the ball
In an EM wave traveling west, the B field oscillates vertically and has a frequency of 84.0 kHz and an rms strength of 6.30×10^?9T.
A rectangular block of ice 9.00m on each side and 1.6 m thick floats in sea water. The density of the sea water is 1025 kg/m3. The density of ice is 917 kg/m3.
With each cycle, a 2510-W engine extracts 2070 J from a thermal reservoir at 90 °C and expels 1340 J into a thermal reservoir at 20 °C. What is the work done for each cycle? What is the engine's efficiency?
A primitive diving bell consists of a cylindrical tank with one end open and one end closed. The tank is lowered into a freshwater lake, open end downward. Water rises into the tank, compressing the trapped air, whose temperature remains constant ..
An electron is released near a (a) point charge, (b) an charged line of infinite length, or (c) an infinite charged plane. In which of these cases does the electron undergo constant acceleration?
The U.S. Army's parachuting team, the Golden Knights, are on a routine jumping mission over a deserted beach. With what average force did the parachuter hit sand
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