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Two point charges are placed along a horizontal axis with the following values and positions: +4 µC at x = 0 cm and - 17 µC at x = 44 cm. At what point (the coordinate) along the x axis is the electric field zero? Expess the answer (in cm) with one decimal place.
The drawing shows three situations — A, B, and C — inwhich an observer and a source of electromagnetic waves are movingalong the same line. In each case the source emits a wave that hasa frequency of 4.57 x 1014 Hz.
A popular pastime is to see who can push an object closest to the edge of a table without its going off. You push the 100 g object and release it 1.00mm from the table edge. If the coefficient of kinetic friction is 0.500, what was the object's sp..
A ball is thrown upward from a platform 4.0 m high with a speed of 23 m/s at an angle of 37 o from the horizontal. What is the magnitude of its velocity when it hits the ground?
a boy goes to market with a average speed of 29 kmh.he returns back half the way he went with a average speed of 40
At this point you are getting very tired and would like to get back as quickly as possible, but all of the available trails seem to lead you deeper into the woods. You would like to take a shortcut directly through the woods (ignoring the trails)...
A square loop with 80 tight turns and sides 15 cm is made with cooper wire a diameter 1.2 mm. determine the current induced in the loop
A spherical brass shell has an interior volume of 1.33 x 10-3 m3. Within this interior volume is a solid steel ball that have a volume of 0.77 x 10-3 m3. what is the volume of mercury that spills out of the hole
A visual binary system is at a distance of 5.0 pc. The distance between the two stars subtends an angle of 4.5 arcseconds. What is the mass of each of the stars
A catapult with a radial arm 4.19 m long accelerates a ball of mass 19.1 kg through a quarter circle. The ball leaves the apparatus at 41.6 m/s. Find the net torque exerted on the ball and arm
A railroad car of mass 2.44 104 kg, is moving with a speed of 3.96 m/s. It collides and couples with three other coupled railroad cars, What is the speed of the four cars after the collision
A ball of mass 0.120 kg is dropped from rest from a height of1.25 m. What impulse was given to theball by the floor
The balance wheel of a watch oscillates with an angular amplitude of ? rad and a period of 0.830 s. Find the maximum angular speed of the wheel
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