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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)
Q. Show General Properties of Castings? 1. Fe-Cr (10-30%Cr) alloys offer good resistance to oxidation, low strength at elevated temps, restricted to use in oxidizing or reducin
Distribution of shearing stresses on l--sections and miscellaneous sections
what is p-n junction?
what is meant by tool signature
Verband der Automobilindustries Flachenschnittstelle (VDAFS) This interface was developed by the Association of the German Automobile Industry for the transfer of 3-D curves an
WIRE-FRAME MODELS The wire-frame model is perhaps the oldest way of representing solids. According to this model, any solid is represented by its edges and vertices. A wire-fr
Dimension Text Edit Command The Home option returns dimensions to their home position. The New option displays the Multiline Text
temparature stresses in composite bars
Materials which can store electrical energy are called (A) magnetic materials. (B) semi conductors. (C) dielectric materials. (D) super conductors. Ans: Mater
Machine and Tool Selection The quality of a product largely depends on the type of machine, the type of process, machining conditions and the right selection of tools. The cur
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