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Charges are placed on an equilateral triangle (all angles are equal and equal to 60 degrees). The length of each side of the triangle is 9.6 meters. A charge of +7.2 micro-Coulombs is placed at the bottom corner of the triangle and another charge of +7.2 micro-Coulombs is placed in the other corner at the bottom of the triangle. Another charge is placed halfway between the two other charges (directly below the other corner of the triangle - see sketch). What does this charge need to be such that the total electric field in the third, unoccupied corner, of the triangle is equal to zero? Answer in micro-Coulombs.
Assume charge builds up on the cloud and on the ground until a uniform electric field of 4.00 multiplied by 106 N/C throughout the space between them makes the air break down, What is the maximum charge the cloud can hold
A 690-kg elevator starts from rest and moves upward for 3.50 s with constant acceleration until it reaches its cruising speed, 1.85 m/s. What is the average power of the elevator motor during this period
A particle moves along the x axis. Its position varies with time according to the expression x ! #4t % 2t 2 where x is in meters and t is in seconds
question1a shopper pushes a cart 49 m south down one aisle and then turns 90.0deg west and moves 16 m. he after that
A 1.35 kg object is moving in the x direction at 16.4 m/s. Just 3.61 s later, it is moving at 28.8 m/s at 36.0^circ to the x axis. What is the magnitude of force applied throughout this time.
A 70 kg object is being pulled up a slope of 35 degrees with the horizontal so that the rope is parallel to the slope. what is the magnitude of the force pulling the block
A driver travels northbound on a highway at a speed of 22.0 m/s. What frequency does the driver detect after the police car passes him
An implanted pacemaker supplies the heart with 72 pulses per minute, each pulse providing 6.0 V for 0.65 ms. find The average power supplied by the pacemaker
an object with the dimensions 5.64 cm x 2.97 cm x .92 cm has a mass of 11.5 g. at what depth of the bottom end will the object float
Three forces act on a moving object. One force has a magnitude of 82.8 N and is directed due north. What must be the direction of the third force
a car is moving with constant velocity v and has wheels of radius r. the car drives over a clump of mud and the mud
he boat continues for an additional 5.90 s with an acceleration of +0.518 m/s2. Following this, the boat accelerates at -1.49 m/s2 for 8.05 s. What is the velocity of the boat at t = 21.35 s? Find out the total displacement of the boat?
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