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A small ball of mass, m = 8.60 × 10-9 g, has acquired an excess charge. The ball is then placed between two parallel plates spaced x = 3.45 mm which have a potential difference of V = 2460 V applied across them. The ball appears to be motionless or floating in between the plates. What is the overall charge on the ball? Calculate the number of electrons, ne, the ball has either gained or lost. The acceleration due to gravity is g = 9.81 m/s2, and the elementary unit of charge is e = 1.60 × 10-19 C. 1. The ball is charged: neutrally, positively, or negatively? 2. How many electrons did the ball gain or lose?
We accelerate electrons between two parallel plates a few cm apart. We apply 2.05 MV across the plates. Find the momentum of the electron
A flint glass plate (n = 1.66) rests on the bottom of an aquarium tank. Calculate the apparent thickness of the plate as viewed from above the water
For a damped oscillator with a mass of 380g, the spring constant 120 N/m and a damping coefficient of 76 g/s, what is the ratio of the amplitude of the damped oscillations to the initial amplitude at the end of 28 cycles.
A cyclist is traveling at an initial speed of 10.0m/s. She accelerated at a rate of 0.500m/s^2. What is her final speed after 9.
A fish is able to jump vertically out of the water with a speed of 4.76 m/s. What is the speed of the fish
The atomic mass of 5626Fe is 55.934939 u, How much kinetic energy will the products of the decay have
Find the position of the object to acquire real, magnified image, inverted, and virtual, upright image.
An air-track glider attached to a spring oscillates with a period of 1.50s . At t=0s the glider is 5.10cm, What is the phase constant
Fraternal twins Jack and Jill are sent in two different ships to fetch water from the planet Kusbane that is 20 lightyears away. what is the age difference between Jack and Jill when Jack's ship arrives at Kusbane
Suppose you wish to make a solenoid whose self-inductance is 1.7 mH. How many turns of wire are needed
Two parallel plates, each of area 8.17 cm2, are separated by 6.20 mm, Calculate the amount of the electric charge stored on each plate
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.
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