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Three point charges have equal magnitudes, two being positive and one negative. These charges are fixed to the corners of an equilateral triangle, as the drawing shows. The magnitude of each of the charges is 7.1 µC, and the lengths of the sides of the triangle are 2.9 cm. Calculate the magnitude of the net force that each charge experiences.
Constable Bob inspected skid marks near a traffic accident to determine the acceleration of initial velocity of lawn mower involved in the accident. Bob measured the lawn mower skid marks to be 32 m long. Witnesses said the lawn mower was skiddin..
What is the charge q. suppose the speed of sound in air to be 343 m/s.
Find the work done by this force on the particle.
Polymer diffusion and Calibration of an optical tweezer
Net average force using the concepts of Newton’s second law.
A 0.105-kg ball is dropped from rest. If magnitude of the ball's momentum is 0.790 kg · m/s just before it lands on the ground, from what height was it dropped.
At the edge of town, the driver again accelerates. the driver would usually maintain a constant acceleration that is less than the maximum
Every day our Earth receives 1.55×1022 J energy from the Sun. If we were able to use 0.85 percent of this energy to accelerate spaceships, then how various missions will be possible in one year.
A light, flexible cable is wrapped around a solid cylinder with mass 3.5 kg and radius 0.8 meters.
A 65 kg hiker has fallen down a hole. One rescuer attaches a rope to the injured hiker and then a second rescuer pulls the injured hiker straight up out of the hole at a steady rate. How much force would the second rescuer need to exert on the rope t..
An AA battery is connected to a parallel-plate capacitor having 4 diameter plates spaced 3 apart. How much charge does the battery move from one plate to the other.
When an 81.0 kg adult uses a spiral staircase to climb to the second floor of his house, his gravitational potential energy increases by 2.10 x 10^3 J. By how much does the potential energy of a(n) 20 kg child increase when the child climbs a norma..
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