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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)
Fuse : Fuse wire is made of soft metal and housed in a glass tube. It is connected in circuit. It protects the electrical accessories, which may be damaged by the overflow o
Calculate Additional force required to maintain equilibrium: Fo r the system shown in figure find the additional single force required to maintain equilibrium. Sol.: L
what is the main process to get steel hard
A wooden cylinder (specific gravity = 0.6) of circular cross - section having length L and diameter D floats in water. Find the maximum permissible (L/D) ratio so that the cylinder
The press tressed bridge structure would look like as shown below, The following factors influences the decision to select the particular prestressing, 1/Span of br
Explain the Feature of screw conveyor Screw conveyor has such feature as simple structure compact transverse dimension convenient maintenance enclosed delivery and small produc
how is the downward force is Mg+S*()
EQUIPMENT USED IN EBW The electron beam equipment can be broadly divided in to the following sub systems. Electron Gun and Beam Guidance System The heart of the electron be
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
Calculate the critical crack length: A wide plate of mild steel is subjected to uniform tensile load causing a stress of 100 MPa. Calculate the critical crack length in the ce
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