Where should the lightest child sit to balance it
A seesaw is 20 feet long with a fulcrum at the center. Three children want to get on at the same time. The masses of each child are: 50,65, and 75 lb. The two heaviest sit at opposite ends. Where should the lightest child sit to balance it?
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Find the quality (x) of a saturated wet mixture with a specific volume of 0.175 ft^3/lbm at a pressure of 1000 psig. State the answer in the proper units. Show all of your work. You need to use a steam table to solve the problem
A machining-center spindle and tool extend 10in. from their machine-tool frame. calculate the temperature change that can be tolerated in order to maintain a tolerance of 0.001in. in machining. assume that the spindle is made of steel.
A heat engine is operating on a Carnot cycle and has a thermal efficiency of 75 percent. The waste heat from this engine is rejected to a nearby lake at 60°F at a rate of 800 Btu/min.
Consider two electric dipoles p1 and p2 located at the origin (0, 0, 0) and on the x-axis at (a, 0, 0) respectively. p1 points in the x-direction: p1 = p^i and p2 points in the z-direction: p2 = p^k If p1 is held fixed, what is the direction of th
Derive an equation to calculate the maximum deflection point on a beam held up by pins, represented by reaction forces, R1 and R2, and a force by the center.
Find the angle for total internal reflection when light starts in water and reflects off air.
A room in the lower level of a cruise ship has a 30cm diameter circular window.If the midpoint of the window is 4m below the water surface,determine the hydrostatic force acting on the window and the pressure center.
What is the final temperature of the water, cup, and bear when they reach thermal equilibrium? The specific heats of silver, aluminum, and liquid water are, respectively, 234 J/(kg·K), 910 J/(kg·K), and 4190 J/(kg·K). Please a
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Professor Tom Dye is a former professor and esteemed colleague from Florida State. In his book on American Federalism
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