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A gymnast of weight 720N is holding himself in the cross position on the high rings. He is quite still. Draw a free-body force diagram for the gymnast, showing the two upward pulls of the rings on his hands, each of size 380N. Calculate the angle between the wires supporting the rings and the vertical.
If the trap door's weight is 50N. Calculate the tension in the string and the reaction at the hinge.
two previously undeformed cylindrical specimens of an alloy are to be strain hardened by reducing their cross-sectional
If the curve were not banked, what would be the minimum coefficient of friction between tires and road that would keep traffic from skidding out of the turn when traveling at 85 km/h?
Refrigerant R-134a vapor in a piston-cylinder assembly undergoes a constant-pressure process from saturated vapor at 800 kPa to 50 ºC.
A volume of 1.8 L of neon gas (monatomic) is at a pressure of 3.4 atmospheres and a temperature of 370 K. The atomic mass of neon is 20.2 g / mol. Calculate the mass of neon gas in SI units.
Cortical bone gets weaker with aging, but it turns out that diaphyseal diameters can also change with aging, particularly in males, such that the safety factor of the diaphysis is approximately constant with aging.
the girl at C stands pulls the rope horizontally at a constant speed of 6 ft/s. determine how fast the boat approcahes the pier at the instant the rope lenght AB is 50 ft.
the 18 kg block starts from rest and moves upward when constant forces of 20 n and 40 n are applied to supporting
An epoxy matrix composite containing both HS (such as T-300) carbon fiber and E-glass fiber is to be formulated such that the cost/ kg is to be equal $ 8.00/ kg. It is desired to keep the total fiber volume fractionequal to 60 %. What are the requ..
How many engagement points on the flywheel would be necessary to make this machine safe?
Calculate the mass flow (in slugs/per second) that comes out the exit of the engine. The plane is at standard altitude 50,000 ft and velocity = 2200 ft/s. Would appreciate attack to problem.
The tank cover is airtight, and the pressure above the water surface is 2 atm gage. The system is at sea level. Determine the max height to which the water stream could rise.
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