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A hanging magnesium wire with diameter0.13 cm is initially 2.0 m long. When a 28kg mass is hung from it, the wire stretches an amount 1.03 cm. A mole of magnesium has a mass of 24 grams, and its density is 1.74 g/cm3.What is the length of an interatomic bond in magnesium (diameter of one atom)?Find the approximate value of the effective spring stiffness of oneinteratomic bond in magnesium.
A microphone is located on the line connecting two speakers that are 0.514 m apart and oscillating 180° out of phase. What is the next highest frequency that produces an interference maximum at the microphone's location
Under the influence of its drive force, a snowmobile is moving at a constant velocity along a horizontal patch of snow. When the drive force is shut off, the snowmobile coasts to a halt.
a boeing 747 jumbo jet has a length of 61.3 m. the runway on which the plane lands intersects another runway. the width
An ideal refrigerator utilizes a Carnot cycle operating between 0 degrees Celcius and 18 degrees Celcius. How much energy must be supplied to the refrigerator
Suppose a small boat is at the crest of this wave, 1.5 {rm m} above the equilibrium position. Illustrate what will the vertical position of the boat be 5 seconds later?
on june 14 2005 asafa powell of jamaica set a worlds record for the 100-m dash with a time t 9.77 s. assuming he
An electron with an initial speed of 4.00×105m/sis brought to rest by an electric field, What was the initial kinetic energy of the electron, in electron volts
A 1300kg car drives around a flat 190m diameter circular track at 30 m/s. What is the magnitude and direction of net force on the car.
A rocket with mass 1000kg accelerates upwards at a rate of 20m/s (a) How long does it take before it is going at the speed of sound (334 m/s)? (b) How long does it take before the rocket is at a height of 100km?
A 0.285-kg volleyball approaches a player horizontally with a speed of 14.0 m/s, What impulse is delivered to the ball by the player
a 238.56 kg satellite is geosynchronous orbit around the earth stays over the same spot and takes 24 hours to make one
a pion has a rest energy of 135mev. it decays into two gamma rays bursts of electromagnetic radiation that travel at
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