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Four charged particles rest at the corners of a square of side a = 0.30 m. Charges 1 through 4 are 10, 20, 30 and 40 µC, respectively. Particle 1 is at the top left of the square, and the other charges are located counterclockwise from that charge.
a. Determine the electric field at the position of particle 3 as well as the electric force on particle 3.
b. Determine the electric field at the center of the square.
A light, rigid rod of length l = 1.00 m joins two particles, with masses m1 = 4.00 kg and m2 = 3.00 kg, at its ends. Determine the angular momentum of the system
What is the magnitude of the current in the wire as a function of time?
Two point charges are separated by 6 cm. THe attractive force between them is 20N. What is force between them when they are separated by 9 cm? What is the equation used to arrive at this reply?
A rock is thrown vertically upward with a speed of 19.0m/s from the roof of a building that is 70.0m above the ground. Assume free fall. What is the speed of the rock just before it strikes the ground?
The mass of a robot is 5220 kg. This robot weighs 2650 N more on planet A than it does on planet B. Both planets have the same radius of 2.26 × 107 m
A fully equipped astronaut has a mass of 140 kg. If the astronaut has a weight of 675 N standing on the surface of a planet, what is the acceleration due to gravity on this planet?
A charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 14.0cm , giving it a charge of -11.0μC. Find the electric field just outside the paint layer
A ball with a horizontal speed of 1.25m/s rolls off a bench 1.00m/s above the floor. how long does it take to reach the floor.How far from a point on the floor directly below the edge of the bench would the ball land.
A 800kg , light-weight helicopter ascends from the ground with an acceleration of 3.50m/s2. What is the work done by the gravitational force
An electronics technician wishes to construct a parallel-plate capacitor using rutile (? = 1.00 102) as the dielectric. If the cross-sectional area of the plates is 1.00 cm2, what is the capacitance if the rutile thickness is 1.00 mm?
If the baseball exerts the force of 464N on the glove such that the glove is displaced 5.9 cm, how much work is done by the ball.
Speed of an aircraft at takeoff when launched from a catapult on an aircraft carrier The catapult on an aircraft carrier can take an aircraft from 0 to 207 mph in 9 seconds, at which time the aircraft launches.
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