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Two strings identical in length and made of the similar material are subjected to tensions in the proportion of 1 to 4; the one under the greater tension is the thicker string. If they vibrate at the equal frequency, explain how do their diameters compare?
A simple pendulum has a mass of 0.550 kg and a length of 4.00 m. It is displaced through an angleof 55.0° and then released. What is the maximum angular acceleration
A 0.390 kg iron horseshoe that is initially at 745 °C is dropped into a bucket containing 24 kg of water at 46 °C. What is the final equilibrium temperature? Overlook any heat transfer to or from the surroundings.
The nucleus of an atom has a radius of about 7.9Ã-10-15 m. The electron is normally at a distance of about 3.4Ã-10-11 m from the nucleus, Find the volume of the nucleus
A cylinder with a moveable piston contains 178 mL of nitrogen gas at a pressure of 1.22 atm and the temperature of 298 K. What should the final volume be for the pressure of the gas to be 1.52 atm at a temperature of 335 K.
A3.50kg object is attached to a spring and placed on a horizontal, smooth surface. A horizontal force of24.0N is required to hold the object at rest when it is pulled 0.200 m from its equilibrium position (the origin of thexaxis).
The only force acting on a particle is conservative force . If the particle is at point A, What is the potential energy of the system with the particle at B
question on a certain game show contestants spin a wheel when it is their turn. one contestant gives the wheel an
A circular saw blade 0.180m in diameter starts from rest. Find the angular acceleration and the angle through which the blade has turned in this time
A 10.0 kg crate is pulled up a rough incline with an initialspeed of 1.5 m/s. The pulling force is 100.0 N parallel to theincline, find the change in kinetic energy of the crate
a mercury barometer reads 749.0 mm on the roof of a building and 764 mm on the ground. assuming a constant value of
A dog running in the +y-direction at 7.0 m/s hears its owner call from behind, Compute the dog's change in velocity
An ac generator supplies 20 A at 220 V to a 10,000 V power line. If the step-up transformer has 110 turns in its primary coil, how many turns are in the secondary coil
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