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The potential difference between the plates of a capacitor is 247 V. Midway between the plates, a proton and an electron are released. The electron is released from rest. The proton is projected perpendicularly toward the negative plate with an initial speed. The proton strikes the negative plate at the same instant the electron strikes the positive plate. Ignore the attraction between the two particles, and find the initial speed of the proton.
A runner moving at a constant speed of 11.7 m/s rounds a curve of radius 4.10 m. calculate the acceleration of the runner. (State the magnitude of this acceleration.)
A laser that produces a spot of light that is 1.20 mm in diameter is shone perpendicularly on the center of a thin, what is the power of the laser
An insect 3.75 mm tall is placed 20.0 cm to the left of a thin planoconvex lens. Calculate the location of the image this lens forms of the insect
A battery of internal resistance r = 0.2 and emf E = 12.0 V. If the battery is connected to a device of resistance 6.0 (ohms), What is the electric power output of the battery
a brick weighing 30 N fall from a height of 15 m and sinks .7 m into the ground. What is the average force on the rock due to the ground as it sinks into the ground
You are pulling a suitcase through the airport at a constant speed. the handle of the suitcase makes an angle of 53 degrees with respect to the horizontal direction. what is the force of friction acting on the suitcase
One kilomole of an ideal gas undergoes a free expansion, tripling it's volume. What is the change of entropy of the universe
A skier wears a jacket filled with goose down that is 15 mm thick. Another skier wears a wool sweater that is 7.00 mm thick. Both have same surface area.
A double-slit experiement has slit spacing 0.160 mm. What should be the slit distance L if the bright fringes are to be 4.70 mm apart when the slits are illuminated with 652 nm laser light
converging lens with a focal length of 6.00cm forms an image of a 5.00mm -tall real object that is to the left of the lens. where are the object images located
A white billiard ball with mass mw = 1.57 kg is moving directly to the right with a speed of v = 3.43 m/s and collides elastically with a black billiard ball with the same mass mb = 1.57 kg that is initially at rest. What is the final speed of the..
An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm^2, separated by a distance of 1.60 mm. Calculate the surface charge density
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