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A piano tuner stretches a steel piano wire with a tension of 765 Newton. The steel wire has a length of 0.700 meter and a mass of 5.25 gram.
Part A: Find the frequency of string fundamental mode of vibration?
Part B: Find the number of the highest harmonic that could be heard by a person who is capable of hearing frequencies up to f = 16 kHz?
How many square meters of PV would it take to provide 1KW(about 1/3 of the power needed per person for health and comfort)for a world population of 6 billion? If these cells werecrystalline silicon of 200 microns thick( 200x10-6),what is the minim..
Assume bubbles formed on the surface of the objects that your were submerging. How would these bubbles affect the measurement of the density of the objects? Would the bubbles make the gauged densities too large, or too small? Describe.
A 7.0 centimeter diameter horizontal pipe gradually narrows to 5.6 centimeter. Evaluate what is the volume rate of flow
If the pressure inside an air tank is 10 atm when the balloon is at a temperature of 25 C, what will the pressure inside be when its temperature is lowered to 0 C? Assume the volume is fixed.
When a 0.2 kg mass is suspended from a vertically hanging spring it stretches the spring from its original length of 0.5 cm to a total length of 6.0 cm. what is the maximum speed of the mass as it oscillates
determine that the auto was traveling at a speed of approximately 30 m/s upon impact with the groung. Explain how fast must the car have been moving before leaving the road?
A piece of sandston with a bulk volume of 1.3 cc is contained ina 5-cc cell filled with helium at 760 mm Hg. Temperature ismaintained constant and the cell is opened to another evacuatedcell the same volume.
A spaceship of mass 2.2×106kg is cruising at a speed of 5.4×106m/s when the antimatter reactor fails, blowing the ship into three pieces. What is the speed of the third piece
Find the magnetic force due to a long wire(8.9A) on a square coil (10A) of side 615cm the centre of which is at 10.1cm from the wire
four particles are positioned at the corners of a square that is 4.0 m on each side. one corner of the square is at the
a cylindrical tank is 50.0 ft deep 31.0 ft in diameter and filled to the top with water. a flashlight shines into the
A uniform ladder is 10-m long and it weighs 100-N. The ladder leans against a smooth wall with its base on a sidewalk 6-m from the base of the wall. Find the force exerted on the ladder by the wall
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