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The following is a standard problem found in many textbooks:
Problem: Three charges are in a line on the x-axis. +Q is at the origin. -4Q is at x=1. At what point on the x-axis could a charge be placed such that it feels no force at all?
x=
Show all work, use additional paper if necessary.
A small spinning asteroid is in a circular orbit around a star, much like the earth's motion around our sun. calculate the equilibrium temperature of the asteroid
An airplane propeller is 2.18 m in length (from tip to tip) with mass 97.0 kg and is rotating at 2600 rpm (rev/min) about an axis through its center. What would its angular speed have to be
Consider a loop of wire of radius a carrying a current I. The x-axis is perpendicular to the loop and passes through its center with the origin at the center of the loop. Looking in the positive x-direction at the loop from a point on the negative..
A solid cylinder (radius = 0.160 m, height = 0.200 m) has a mass of 14.6 kg. This cylinder is floating in water. How much of the height of the cylinder is in the oil
The electric motor of a model train accelerates the train from rest to 0.580 m/s in 33.0 ms. the total mass of the train is 563 g. Find out the average power delivered to the train during its acceleration. The units need to W for the final answer.
A certain organ pipe, open at both ends, produces a fundamental frequency of 252Hz in air. what fundamental frequency f He will it produce
An interstate highway has been built through a neighborhood in a city. What is the average late-night sound level
Two spheres are cut from a certain uniform rock. One has radius 4.45 cm. The mass of the other is six times greater. Discover its radius.
What is the tangential acceleration of a bug on the rim of a10-inch diameter disk if the disk moves from rest to an angular speed of 99 rev/min in 3.0 s? When the bug in the previous problem is at his final speed of 99 rev/s , what is the tangential ..
Explain how does a magnitude of the electrical force between a pair of charged particles change when they are brought to half their original distance of seperation?
A 0.4-kg object is traveling to the right (in the positive direction) with a speed of 2 m/s. obtain the magnitude of the impulse (in N-s) acting on the object
A 9.6 g bullet is fired into a stationary block of wood (m= 5.05 kg). The bullet imbeds into the block. The speed of the bullet-plus-wood combination immediately after the collision is 0.591 m/s. What was the original speed of the bullet?
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