Problem based on gravitational force of magnitude
Two objects attract each other with a gravitational force of magnitude 1.01 x 10-8 N when separated by 19.9 cm. If the total mass of the two objects is 5.07 kg, what is the mass of each?
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Consider a 15-cell stack hydrogen fuel cell operating steadily in series with 200 cm2 active area per electrode, with a current density of 0.9 A/cm2. The fuel cell nominal voltage is 0.5 V per plate.
Determine the product of inertia of the cross sectional area with respect to the x and y axes that have their origin located at the centroid C
Draw and dimension the bar diagram for a 3 3/8 in. shaft, with a Class 3 fit. Draw and dimension a typical hole and shaft for this fit. Use unilateral tolerances and the basic hole system for maximum metal.
Locate the centroid x and y of the cross sectional area and then determine the orientation of the principle axes, which have their origin at the centroid C of the area. Also find the principle moments of inertia.
Piston cylinder contains 1 kg of water. initially the water is at 200 kpa, 20 degrees Celsius. water is now heated until the piston strikes stops at which point the volume of the water is .113 m^3. more heat is now added until the pressure of the
A model airplane with mass 0.740 kg is tethered to the ground by a wire so that it flies in a horizontal circle 30.2 m in radius. The airplane engine provides a net thrust of 0.803 N perpendicular to the tethering wire. (a) Find the magnitude of t
Suppose small aircraft arrive at a certain airport according to a Poisson distribution with a rate of 4 per hour. Find the probability that there will be more than two arrivals in an hour.
A concrete sewer pipe 3 ft in dia is laid so it has a drop in elevation of 1 ft per 1000 ft of lenght. if swage (assume the properties are the same as those of water) flows at a depth of 1.5 ft in the pipe, what will be the discharge?
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