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Q1. The pulley system is used to lift a 61 kg crate. Note that one chain connects the upper pulley to the ceiling and a second chain connects the lower pulley to the crate. The crate is rising with an acceleration of 2.4 m/s2. Assume the masses of the chains, pulleys, and ropes are negligible, determine the magnitude of force and tension in the upper chain. The tension in the lower chain is .829 kN
Q2. An object with mass3.0 kg is attached to spring with spring stiffness constant and is executing simple harmonic motion. When the object is 0.040 m from its equilibrium position, it is moving with a speed of .55. What is the maximum velocity?
Conclude the electric field at the origin
The primary coil of a transformer has 237 turns; secondary coil has 2100 turns. An alternating current is sent through the primary coil. The emf in the primary is 25 V. What is the emf amplitude in secondary.
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How to find out the tension in the cable
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A block of mass 4.0 kg is put on top of a block of mass M = 5.5 kg. To cause the top block to slip on the bottom one, while the bottom one is held fixed, a horizontal force of at least 16 N must be applied to the top block. The assembly of blocks is ..
Compute gauge pressure of the flowing water
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Whole blood has a surface tension of 0.068 N/M & a density of 1050kgm-3.what weight can whole blood rise in a capillary blood vessel that has radius 2.0 x 10-6 if the contact is zero.
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