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A stone is thrown vertically downward from a cliff 210.0-m tall. During the last half second of its flight, the stone travels a distance of 46.1 m. Find the initial speed of the stone
a 10-cm-long thin glass rod uniformly charged to 13.0 ncand a 10-cm-long thin plastic rod uniformly charged to
What is the apparent weight of the girl at the lowest point in the ride? (Hint: Her apparent weight is equal to the force of the seat acting on her).
Light with a frequency of 2.55 x 1015 Hz ejects electrons from the surface of aluminum, which has a work function of 4.28 eV. What is the minimum de Broglie wavelength of the ejected electrons? nm
Use the gravitational force equation to fill in the following table (G = 6.673 x 10-11 N·m2/kg2). The distance of separation means the distance between the centers of the two masses
An explosion of a 10.0-kg bomb releases only two separate pieces the bomb was initially at rest and a 4.00-kg piece travels westward at 100 m/s immediately after the explosion
A small rigid cylindrical vessel contains 1 kg of humid air at 80oC under a total pressure of 1 bar. The humid air inside the vessel contains 0.150 kg of water vapor. Determine the relative humidity of the air in the container.
In the Biomedical and Physical Sciences building at MSU there are 127 steps from the ground floor to the sixth floor. How much work did the person do
calculate the heat needed at 0 degrees celcius to make the following change of state kilocalories to melt 140 g of
A vertical solid steel post of diameter d= 30 and length L= 3.00 is required to support a load of mass m= 7700 . You can ignore the weight of the post. What is the change in the post's length when the load is applied
Two waves traveling in opposite directions along a string fixed at both ends create a standing wave described by y(x, t) = 0.01 sin(44x)cos(1090t). The string has a linear mass density of 0.01 kg/m, and the tension in the string is supplied by a m..
In the operating room, anesthesiologists use mass spectrometers to monitor the respiratory gases of patients undergoing surgery. One gas that is often monitored is the anesthetic isoflurane (molecular mass = 3.06 x 10-25 kg).
If you were on a spaceship traveling a 0.5c away from a star, at what speed would the starlight pass you
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