What is the magnitude of the force on the dipole
A point charge is distance from the center of a dipole consisting of charges separated by distance . The charge is located in the plane that bisects the dipole. At this instant, assuming r>>s what is the magnitude of the force on the dipole?
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A spring cannon is located at the edge of a table that is 2 m above the floor. A steel ball is launched from the cannon with speed vi at 40.0° above the horizontal. Find the horizontal position of the ball as a function of Vi at the instant it
A copper block rests 30.0 cm from the center of a steel turntable. The coefficient of static friction between the block and the surface is 0.53.The turntable starts from rest and rotates with a constant angular acceleration 0.50 radians/second sq
A 3.10 box that is several hundred meters above the surface of the earth is suspended from the end of a short vertical rope of negligible mass. A time-dependent upward force is applied to the upper end of the rope, and this results in a tension in
A boy is attempting to swim directly across a river; he is able to swim at a speed of 0.421 m/s relative to the water. The river is 2.48 m wide and the boy ends up at 4.77 m downstream from his starting point. (a) How fast is the current flowing i
A package is dropped from a passing plane (moving in the horizantal direction) and produces a projectile motion as it is falling to the ground. If it takes the package only 30.12 seconds until it hits the ground, how far above the ground was the
A parallel-plate capacitor has a plate area of 1cm^1 and a plate separation of 2.5 mm. To obtain an electric field of 1.0*10^6N/m between the plates, the magnitude of the charge on each plate should be: What is the charge (in ) on positive electro
Suzie (50 kg) is roller-blading down the sidewalk going 20 miles per hour. She notices a group of workers down the walkway who have unexpectedly blocked her path, and she makes a quick stop in 0.5 seconds. (a) What is Suzie's average acceleration
A .114 kg baseball is pitched horizontally at 38 m/s. After it is hit by a bat it moves horizontally at -38 m/s. a) What impulse did the bat deliver to the ball?
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