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The bicycle and rider start from rest at the top of the hill. Show how to determine the speed of the rider when he freely coasts down the hill. Use appropriate dimensions of the wheels, and the mass of the rider, frame and wheels of the bicycle to explain your results.
The 3-m plank shown in section has a density of 800 kg /m3 and is hinged about a horizontal axis through its upper edge O. Calculate the angle e assumed by the plank with the horizontal for the level of fresh water shown.
Show that the total energy of a circular membrane when vibrating in its fundamental mode is given by 0.135(?a^2)?_s (?A_1 )^2, where a is its radius, ?_s the area density, ? the angular frequency of vibration, and A_1 the amplitude at its center.
Methane (CH4) is burned with dry air. The volumetric analysis of the products on a dry basis is 5.20 percent CO2, 0.33 percent CO, 11.24 percent O2, and 83.23 percent N2. Determine
in a laboratory scientists produce 233th90 from 238u92 by two different processes. in process a a single alpha particle
a material is sought for a high speed centrifuge. the objective is to acheive as high an angular velocity w of the
The lever BCD is hinged at C and attached to a control rod at B. If P = 100 lb, determine the tension in rod AB and the reaction at C, using both the graphical method and the analytical method base on force decomposition.
a 580 n uniform rectangular sign 4.00 m wide and 3.00 m high is suspended from a horizontal 6.00-m-long uniform 90-n
Calculating electrical power from a geothermal Resource, A geothermal well is producing 9000kg/second from a hot water basin at 200 ºC [enthalpy of 800 KJ/Kg].
consider two types of steady-state expansionthrottling devices for ammonia 1 a rigid valve amp 2 a turbine that is used
In coal gasifiers, refractories and metals must withstand the coal/air or coal/oxygen combusting atmospheres. The Zr-Nb-Ti system is under consideration as alternative to the Fe and Ni alloy systems because the coal combustion degrades these alloy sy..
air at 5 bar and 177oc state 1 is expanded through a turbine to 1 bar and 27oc state2. the mass flow rate of air
What are the components that can influence the Factor of safety selection? Explain few of them
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