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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)
how to calculate Air velocity , pressure and power done by aircraft fans
Formulate stress analysis techniques relevant to a range of situations. The Brief A company has come and seek your advice on their draft design flat bridge. The bridge will
Three forces act on particle: Thr ee forces act on particle ' O ' as shown in the figure given below. Determine the value of ' P ' such that resultant of these three forces
Determine the springs needed to absorb the energy: A vehicle weighing 28 kN and running at 2.5 m/sec is to be brought to rest by a buffer springs. Determine the number of spri
Vitrification This is liquid phase sintering. It is achieved via incorporating a component that melts to viscous liquid during sintering. Such viscous liquid solidifies in gla
Question: The figure below shows a packed bed in a 0.1 m diameter tube. The particles are cylindrical in shape with surface volume mean diameter of 300 µm. The density and ma
types of maintenance
when does water convert in to ice at vaccum pressure
Determine the stresses in the shell: A cylindrical boiler is 2.5 m in diameter and 20 mm in thickness and it carries steam at a pressure of 1.0 N/mm2. Determine the stresses i
T ota l Energy: Total energy possessed by system is the sum of all types of stored energy. Thus it will be given by E total = PE + KE + U = mgh + 1/2mv 2 + U It is ex
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