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Four point charges are located at the corners of a square measuring 50.0 cm on each side. Three of the charges are -2.00 uC each and the fourth is -5.00 uC.
a) Find the potential energy of the system of four charges.
B) Find the electric potential V at the center of the square. (Assume that electric potential=0 at infinite distances from the charges.)
Assume the balloon and rod to be point charges. The Coulomb force constant is 1/(4? ?0) = 8.99 × 10^9 N·m2/C2 and the acceleration due to gravity g = 9.81 m/s2.
In addition, snow exerts a retarding force on the sled that points opposite to the direction of motion, and has a magnitude of 57 N. Find out the acceleration of the sled and child.
How much time passes by they collide
A child's toy consists of a piece of plastic attached to a spring. The spring is compressed against the floor a distance of 1.2 cm, and the toy is released. If the spring constant is 103 N/m, what is the magnitude of the spring force acting on the..
What is the acceleration of a car that moves at a steady velocity of 100 km/h for 100 second? Explain your answer and state why this question is an exercise in careful reading as well as in physics.
A helicopter is ascending vertically with a speed of 5.02m/s. At a height of 140m above the Earth, a package is dropped from the window. How much time does it take for the package to reach ground.
Setting a world record in a 100m race, Maggie and Judy cross the finish line in a dead heat, both taking 10.0 s. Accelerating uniformly, Maggie took 2.0 s and Judy 2.5 s to attain maximum speed that they maintained for the rest of race.
draw a motion diagram, using the particle model, showing the cars velocity vectors as seen from a helicopter hovering over the highway.
Find out the magnitude of the centripetal force.
Two blocks are placed in contact on a horizontal frictionless surface. The smaller box has less mass than the larger box. A force F is applied to the small box as shown so that the boxes accelerate to the right.
An axon is the relatively long tail-like part of a neuron, or nerve cell. The outer surface of the axon membrane is charged positively, Thus, the membrane is a kind of capacitor, what is its capacitance
A charge particle of mass .0020kg is subjected to a 6 T magnetic field which is acts as a right angle to its motion. if the particle moves in a circle of radius .20m at a velocity of 5.0 m/s. what is the magntiude of the charge on the particle.
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