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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)
Explain lami's theorem: Sol.: Lami's theorem states that "If the three coplanar forces which are acting at a point be in equilibrium, then every force is proportional to sin
describe advantages of limitation and effect of cold working?
A Boot Strap Cooling system of 10 TR capacity is used in an aeroplane. The ambient air pressure and temperature are 0.85 and 20 0 C bar respectively. The pressure of air increases
what is hartnell governor
Tank Drainage A large open vertical tank has three small, smooth, well-rounded orifices spaced equidistantly at ¼ h , ½ h , ¾ h up from the bottom of the tank (Fig. Q1). Water
Figure : Left Side View of a Motorcycle Part No. Name Functions 1 Fuel cock Used to open or close the
Expression for the normal and tangential stresses: By sing Mohr's circle, derive expression for the normal and tangential stresses on a diagonal plane of material subjected t
hot working vs cold working
What are the Technical Limitations of screw conveyer Technical Limitations: ? Turning limitation of this mechanism Actually the Maximum Turning of U-joint is 18° to 2
what is zeroth law of thermodynamic ?
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