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Two tiny conducting spheres are identical and carry charges of -18.2 µC and +53.0 µC. They are separated by a distance of 2.25 cm. (a) What is the magnitude of the force that each sphere experiences, and is the force attractive or repulsive? (b) The spheres are brought into contact and then separated to a distance of 2.25 cm. Determine the magnitude of the force that each sphere now experiences, and state whether the force is attractive or repulsive.
Two packages at UPS start sliding down a ramp 40 degrees from the horizontal, Package A is sliding down in front of Package B. Package A has a mass of 3.50 and a coefficient of kinetic friction of 0.220. Package B has a mass of 8.00 and a coefficient..
a large storage tank open to the atmosphere at the top and filled with water develops a small hole in its side at a
A counterweight of mass m = 4.20 kg is attached to a light cord that is wound around a pulley, compute the net torque on the system about the axle of the pulley
question1find out the coefficient of kinetic friction between a 3.15 kg block and horizontal surface on which it rests
In a television tube, electrons travel down the tube and strike the fluorescent material at the end of the tube. Their impact with this material causes light to be emitted, How long does the acceleration take
This parallel group is connected in series with a 22.0 Ω resistor. The total combination is connected across a 18.0 V battery. Compute the current delivered to the 130 Ω resistor.
A 1408.0 g mass is on a horizontal surface with ?k = 0.39, and is in contact with a massless spring with a force constant of 526.0 N/m which is compressed. Calculate the distance the spring was compressed
A particle has a charge of +1.7 %u03BCC and moves from point A to point B, a distance of 0.29 m. Find the magnitude of the electric force that acts on the particle
Albert pushes a 6-kg box across a level floor. He pushes with a force of 43 newtons, and observes that the box accelerates in the direction of his push, What must be the net force acting on the box
A nonconducting solid sphere of radius 11.6 cm has a uniform volume charge density. What is the sphere's volume charge density
A satellite circles the earth in an orbit whose radius is 3.62 times the earth's radius. The earth's mass is 5.98 x 1024 kg, and its radius is 6.38 x 106 m. What is the period of the satellite
The C note of the C-major scale on a piano has a fundamental frequency of 264Hz, and the A note has a fundamental frequency of 440Hz. determine the ration of tension in the two string
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