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A rigid body is rotating in the right-handed sense about the axis Oz with a constant angular speed of 2 radians per second.
Write down the angular velocity vector of the body, and find the instantaneous velocity, speed and acceleration of the particle of the body at the point (4, -3, 7), where distances are measured in metres.
A 10 kg metal block initially at 200 degrees Celsius and 1 MPa is heated to 500 degrees Celsius and 100 MPa. The metal block has a density of 2000kg/m^3 and a specific heat of 2kJ/kg*K. Calculate the change in the total internal energy and enthalpy o..
1. With the emergence of VoIP services do some research and tell us the difference between some of the major VoIP services. There are plenty out there (just do a Google search), but two good ones to start with are Skype and Vonage.
Derive a formula for the tensile stress σx in the bar as a function of the distance x from point C. What is the maximum tensile stress?
in flowing from section 1 to section 2 along an open channel the water depth decreases by a factor of 2 and the froude
You are working as a flight-test engineer at the Dryden Flight Research Center. During the low-speed phase of the test program for the X-37, you know that the plane is flying at an altitude of 8 km. The pressure at gage 1 is 1550 N/m2, gage; the pres..
Calculate the heat required to raise 50 kg of solid sodium carbonate (Na2CO3) from 10°C to 50°C at 1atm using
in an ideal rankine cycle feedwater with an enthalpy of 74 btulbm enters a boiler at a temperature of 106degf and at a
a fenced enclosure consists of a rectangle of length l and width 2r and a semicircle of radius r as shown in figure
air enters a compressor at 14 psia 80 f with negliible speed and is discharged at 70 psia 500 f with a speed of 500
Design an upfeed water supply system for the apartment building in Appendix B. Use Type L copper pipe for this design problem. Assume each apartment has its own storage tank water heater.
1. A reversible refrigeration cycle operates between cold and hot reservoirs at temperatures TC and TH, respectively. (a) If the coefficient of performance is 3.5 and TH 5 808F, determine TC, in 8F.
at a given instant train e has a speed of 20ms and an acceleration of 14ms2 acting in the direction shown 75 degrees to
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