Concrete block with a specific weight
A concrete block with a specific weight of 23.6 kN/m3 is suspended by a rope in a solution with a specific gravity of 0.8. What is the volume in m3 of the concrete block if the tension in the rope is 2.67 kN?
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A cylindrical drum is 2 ft in diameter, is 3 ft long and weighs 30 lb when empty. Aluminum weights are to be placed inside the drum to make it neutrally buoyant in fresh water. What volume of aluminum in inches cubed will be required if it weighs
A 8.00 cm diameter wire coil is initially oriented so that its plane is perpendicular to a magnetic field of 0.510 T pointing up. During the course of 0.180 s, the field is changed to one of 0.250 T pointing down. What is the average induced emf i
Calculate the average induced voltage between the tips of the wings of a Boeing 747 flying at 880 km/hr above East Lansing. The downward component of the earth's magnetic field at this place is 0.7·10-4 T.
A person suffering from hyponatremia has a sodium ion concentration in the blood of 0.115 M and a total blood volume of 5.0 L.
The log Henry's Law constant (units of L-atm/mole and measured at 25 degrees Celsius) for trichloroethylene is 1.03; for tetrachloroethylene, 1.44; for 1, 2-dimethylbenzene, 0.71; and for parathion, -3.42.
My microwave operates at 2450 MHz. What is the wavelength of this radiation in meters, and what is the energy associated with one photon of this radiation in joules?
If 720-nm and 660-nm light passes through two slits 0.58 mm apart, how far apart are the second-order fringes for these two wavelengths on a screen 1.0 m away?
Compounds such as naphthalene and 1,4-dichlorobenzene find use as mothballs since they sublime at a slow rate at atmospheric pressure. Explain this behavior in terms of the structure of the molecules.
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