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A student tries to raise a chain consisting of three identical links. Each link has a mass of 240 gram. The three piece chain is connected to a string and then suspended vertically, with the student holding the upper end of the string and pulling upward. Because of the student's pull, an upward force of 16 Newton is applied to the chain by the string. Use Newton's laws:
Determine the acceleration of the chain.
Obtain the force exerted by the top link on the middle link.
An empty capacitor is connected to a 11.9-V battery and charged up. The capacitor is then disconnected from the battery, and a slab of dielectric material (κ = 2.2) is inserted between the plates. Find the magnitude of the amount by which the potenti..
The drawing shows three objects. They are connected bystrings that pass over massless and friciton-free pulleys. find the tension in each of the two strings
A 75.0 kg stunt man jumps from a balcony and falls 26.5 m before colliding with a pile of mattresses. what is the average force exerted by the mattresses on the stuntman
If, as is typical, each of them breathes about 500 {rm{ cm}}^3 of air with each breath, approximately what volume of air (in cubic meters) do these astronauts breathe in a year.
a 38 g bullet strikes a 0.65 kg block attached to a fixed horizontal spring whose spring constant is 6.2 x 103 nm and
A parallel plate capacitor has a capacitance of 2 µF when the plates are seperated by a vacuum. What is the electric field with the slab in place
two point charges are on the y-axis. a 5.0 microc charge is located at y 1.10 cm and a -2.00 microc charge is located
You have 11 m of 1.9 mm diameter copper wire and a battery capable of passing 12 A through the wire. What magnetic field strength could you obtain inside a 2.0 cm diameter solenoid wound with the wire asclosely spaced as possible?
A very long, straight wire carries a current of 16.3 A out of the screen. Find the magnitude of the force on the electron if it is moving upward
a 8.4 kg mass is attached to a light cord that passes over a massless frictionless pulley. the other end of the cord is
The volume expansion coefficient for kerosene is 900 x 10^-6 / k. If the kerosene was held inside a long thin metallic cylindrical tube, then what would be its linear expansion coefficient
initially at time t 0 a particle is moving vertically at 4 ms and horizontally at 0 ms. its horizontal acceleration is
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