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a ski lift has a one-way length of 1495m and a vertical rise of 285 m the chairs are spaced 23 m apart and each chair
the rolling resistance of a 1200kg car depends on its weigh as f 0006m x gravity how far will the car roll if at 90kmh
the force f required to compress a spring a distance x is given by f - fo kx where k is the spring constant and fo is
freshwater is impounded to a height of 11 ft behind a dam as shown determine the magnitude and location of the
the following suspension system has two support structures-a spring and a rubber pad vertical force f n acts on the
you need to hydrolyze 500 lbday of an ester at an initial concentration of 5 molar in basic aqueous solution the ester
at a section where the diameter is 4 in methane flows with the veloctiy of 50fts and a pressure of 85 psia at a
determine the resultant of load system shown below locate where the resultant intersects grade with respect to point a
a distillation column as shown in the figure to the right is a device used to separate components with different
a paddle wheel and an electric heater operate in a system if the torque is 200 n-m the rotational speed is 400 rpm the
a steel column has a length of 9 m and it fixed at both ends if the cross-section area has the dimensions shown
carbon dioxide flows in a horizontal duct at 7 bar abs and 300 k with a velocity of 20ms at a dowstream section the
hydrogen flows through a horizontal insulated duct at section1 the enthalpy is 2400 btulbm the density is 5 lbmft3 and
hydrogen expands isentropically from 15 bar absolute and 340 k to 3 bar absolute in a steady flow process without heat
calculate the number of vacancies per cubic meter in some metal at 763degc the energy for vacancy formation is 079
the following figure shows a body on 25 deg inclined plane the weight of the body represented by the force w is 66lb
a perfect gas methane undergoes a reversible polytropic process in which the polytrotic exponent is 14 1 using the
it is known that a long log floats with its axis horizontal a very short log however floats with its axis vertical
the board is used to hold the end of a four-way lug wrench in position a torque of 40 nm about the x-axis is required
a specimen of aluminium having a rectangular cross section 99 mm times 130 mm 03898 in times 05118 in is pulled in
a vertical piston-cylinder device contains a gas at a pressure of 100kpa the piston has a mass of 5 kg and a diameter
a cylinder contains 1 kg of a certain fluid at an initial pressure of 20 bar the fluid is allowed to expand reversibly
water flows through the pipe at a constant average velocity of 05 ms into the the tank having the width of 15 m
a fluid at a pressure of 3 bar and with specific volume of 018 m3kg contained in a cylinder behind a piston expands
a sealed piston-cylinder assembly contains 3 lbm of water the water is initially at p1 40 psia and t1 300acircdegf