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The potential dissimilarity between the plates of a parallel plate capacitor is 35 V and the electric field among the plates has strength of 750 V/m. If the plate area is 4.0 × 10-2 m2,what is the capacitance of this capacitor?
A ball of mass 0.65 kg is fired with velocity 120 m/s into the barrel of a spring gun of mass 2.4 kg initially at rest on a frictionless surface. What fraction of the ball's initial kinetic energy is stored in the spring
A simple harmonic oscillator consists of a block of mass 4.10 kg attached to a spring of spring constant 195 N/m. When t = 2.00 s, the position and velocity of the block are x = +0.129 m and v = +3.415 m/s. (a) What is the amplitude of the oscilla..
A mountain climber friend with a mass of 80 kg ponders the ideaof attaching a helium-filled balloon to himself to effectively reduce his weight by 25% when he climbs. He wonders what the approximate size of such a balloon would be.
an alpha particle charge 2e enters a uniform electric field e 5x104 vm m directed alongsay the y axis. the particle
The nucleus of platinum is a uniformly charged sphere with a chargeof 78e and a radius of 7.00 x 10^-15 What is the electric potential energy of an incident proton arriving at the nuclear surface
A 30-meter steel tape is correct at a temperature of 20.0(C). The distance between two points, as measured by this tape on a day when the temperature is 5 (C), is 25.970m. What is the true distance between the points?
In a graphing calculator, there are four AAA batteries, which together provide a potential difference of 1.5 V and a total of 6.0 W·h of energy. what was the average current through the calculator
Evaluate the electrostatic energy of two opposite charges
An airplane is flying through a thundercloud at a height of 2400 m. (Flying at this height is very dangerous because of updrafts, what is the electric field at the aircraft
A storage tank 30 m high is filled with gasoline. Calculate the force that acts on a square access hatch at the bottom of the tank that measures 0.5m by 0.5m
Du Pont and net income Ebersoll Mining has $6 million in sales; its ROE is 12 percent; and its total assets turnover is 3.2 . The company is 50 percent equity financed. Illustrate what is its net income?
The distance from the earth to the center of our galaxy is about 23000ly(1yr is 9.47x10^15m), as measured by an earth based observer. how long will it take to make the trip
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