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The cone frustum in the figure contains incompressible liquid to depth h. A solid piston of diameter d penetrates the surface at velocity V. Derive an analytic expression for the rate of rise dh/dt of the liquid surface.
a stone of 20 kg of mass is held 15 m above a tank containing 200 kg of water. the stone water and the air are at the
a heat engine power cycle is operating on a carnot cycle and has a thermal efficiency of 75. the waste heat from this
Water at 20°C flows past a circular cylinder in cross-flow at a free stream velocity of 0.5 m/s. The cylinder is 0.02m in diameter and has a length of 0.5m in the cross-stream direction. The cylinder is at a temperature of 60°C. Find the rate at whic..
an electrical heater 100mm long and 5mm in diameter is inserted into a hole drilled normal to the surface of a large
a conveyor belt rises at a thirty degree angle. its vertical hight measured from the ground is 20 ft sorry i cant seem
What is the tension needed to pull a rubber by a distannce z= 10nm at 25 c? Number of individual chains in the rubber, N=1000, bond vector length b=2 Angstrom.Please give your answer in pico Newton - pN
how would you describe the state of the water in a bathtube? how would you describe the process that this water
An initially empty cylinder is filled with air from 70 F, 15 psia until it is full. Assuming no heat transfer is the final temperature larger, equal to or smaller than 70 F? Does the final T depend on the size of the cylinder?
A spring stiffness k= 500 n/m is mounted against a 10 kg block. if the block is subjected to a force of 1 KN determine the velocity of the block at s=0.3 m when s=0, the block is at rest and the spring is uncompressed. The coefficient of fricktion is..
Steam produced at 70 bar and some unknown temp. A small amount of steam is bled off just before entering a turbine and goes through an adiabatic throttling valve to atmospheric pressure. The temp of the steam exiting the throttling valve is 400C.
a pot containing 1.0 liters of water at 20 degc is placed on the stove and heat is added to the water at a rate of 500
a turning operation calls for a single pass on a 3 diameter part down to 2.800 on a lathe using a hss high speed steel
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