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A point charge of -2 nC is located at the origin of a spherical coordinate system.
a) Write the absolute potential produced by this point charge; utilize spherical coordinates.
b) Evaluate the electric field from the absolute potential, and confirm that this is identical to our previous equation for the electric field of a point charge at the origin.
a consulting group surveyed general mills inc. employees to research the factors that affect their satisfaction with
A spring scale is fastened to the ceiling of a railway car. When a 1.0-kg block is hung from the scale, it reads 12 N and is oriented as shown in the figure. What is the approximate acceleration of the car as measured by an observer at rest on the gr..
When a nucleus captures a slow neutron itmust bring the neutron to a stop within the diameter of the nucleusby means of the strong force. Suppose a stray neutron has the speedof 1400 km/s and is barely captured by a nucleus with a diameterd=1.0X10..
Suppose you drop a feather and a steel ball of equal masses (0.010 kg) at the same time from a height of 1.9 m and you are told that the feather hits the floor 4.5 s after the steel ball. Estimate the feather's drag coefficient
how far from a -7.20 ucpoint charge must a2.30 ucpoint charge be placed for the electric potential energy of the pair
A spring is mounted at angle of 35 degrees on a frictionless incline. The spring is compressed by 15 cm where it is allowed to propel a mass of 5.5 kg up the incline. a. if the spring constant is 550 N/m, how fast is the mass moving when it leaves th..
A 1500 kg elevator moves upward with constant spped through a veticle distance of 25m. Explain how much work was done by the tension in the elevator cable?
the wheels of an automobile are locked as it slides to a stop from an initial speed of 30.0 m/s. how far does it take the car to stop
An 8.57-kg block slides with an initial speed of 1.64 m/s up a ramp inclined at an angle of 27.3° with the horizontal. Use energy conservation to find the distance the block slides before coming to rest
converging lens has a focal length of 86.50 cm. A 14.0 cm tall object is located 135.0 cm in front of this lens. What is the image distance? Is the image real or virtual?
An adventurous crosses between two rock cliffs by slowly going hand over hand along a rope stretched between the cliffs. He stop to rest at the middle of the rope. The rope will break if the tension in it exceeds 2.50x10^4 N, and our hero's mass is 9..
An ideal gas in a container is at a temperature of 70.6°C. What is the average translational kinetic energy of a gas molecule in the container
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