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Under the action of constant force, a 2kg block moves such that its position x as a function of time is given by X=t^3/3 ,where x in meters and t in sec , the workdone by force in first 2 seconds isA 26.6 jB 3.3 jC 16 jD 32 jSolution) v=dx/dt=t^2,a=dv/dt=2t,f(t)=ma(t),w=∫f(t)*v(t) dt (from x=0 to x=2 sec)
Uniformly Distributed Load and Uniformly Varying Load: Uniforml y Distributed Load (UDL) A UDL is one which is spread over beam in such a manner that the rate of loading
Space Time Structure If the position of the particle P changes, the differential change in its position vector r is, in general, given by, d r = d x i + d y j + d z k
Q. What are Preheat and interpass temperature? Preheat and interpass temperatures shall be in accordance with the applicable codes. Materials that require preheat for welding
Sound Waves in Gases Sound waves are longitudinal pressure waves. Let us consider the motion of a plane sound wave moving along X-axis in a gas medium. In undisturbed positio
Relationships among VM, Virtual Prototyping, the Virtual Enterprise Virtual Manufacturing (VM) VM is a synthetic, integrated manufacturing environment exercised to improve
Displacement or Swept Volume ( V s ) : The nominal volume swept by the working piston when travelling from one dead centre to the other is called the displacement volume. It is e
what are the essentials of a good steam generator?
Vented Causeway: Vented causeways are structures provided with vents (usually pipes) to take care of dry weather perennial flows and which allow water to overflow the paved b
2*2
Example of change of enthalpy: Q 0.5kg/s of a fluid flows in steady state process. The properties of fluid at the entrance are measured as p 1 = 1.4bar, density = 2.5k
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