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A hanging wire has a length of 1.90 meter. When a steel ball of mass 59 kilogram is suspended from the wire, the wire stretches by 1.90 millimeter.
If the ball is pulled down a small additional distance and released, determine at what frequency will it vibrate? Suppose that the stress on the wire is less than the proportional limit.
A cup of water is heated with a heating coil that delivers 117.85 W of heat. In one minute, the temperature of the water rises by 29.47 C. What is the mass in grams of the water
When Water is boiled under a pressure of 2.00 atm, the heat ofvaporization is 2.20x106 J/kg and the boilingpoint is 120 degress C. Compute the increase in internal engergy of the water
In a particular region of Earth's atmosphere, the electric field above Earth's surface has been measured to be 147 N/C downward at an altitude of 250 m, Calculate the volume charge density of the atmosphere
A certain copper wire has a resistance of 14 ohm. Determine what is the resistance of each piece
Calculate the energy of the electron in the ground state of triple ionized beryllium, which has an atomic number Z = 4
A 102 kilogram fireman slides down a pole to the ground floor, 3.3 meter below. The fireman starts at rest and lands with a speed of 4.2m/s. find the average force exerted on the fireman by the pole
We wish to maintain a pattern with a given number of loops and a fixed given frequency, If we reduce the density of the string
question1a truck is carrying a steel beam of length 17.0 m on a freeway. an accident causes a beam to be dumped off the
Astronauts on a distant planet throw a rock straight upward and record its mothion with a video camera. What is the acceleration of gravity on this planet
A sealed tube (0.5 L) in volume confines two moles of an ideal gas at a pressure of 2 atm. What is the average kinetic energy of a gas molecule
Suppose one gallon of gasoline produces 1.1 x10^8 J of energy, and this energy is enough to operate a car for 18 miles. An aspirin tablet has a mass of 275 mg. If the aspirin could be converted completely into thermal energy, how many miles would ..
A certain substance has a mass per mole of 42 g/mol. When 313 Jis added as heat to a 25.0 g sample ofthis material, How many moles of the substance are present
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