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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 the properties of acouple
how did the formula derived smax = Ed1 a ?T/d 2
difference between coplanar and noncoplanar force system
the base of a spring -mass- damper system is subjected to the periodic displacement. determine the response of the mass using the principle of superposition
The total resistance of the system between the electrodes consists of (i) The resistance of the work piece R 1 (ii) The contact resistance between the electrodes and the wo
Theore m of perpendicular axis It states that if I X X and I Y Y be the M.I. of plane section about the two mutually perpendicular axes meeting at a point. Th
problems
(a) Explain briefly the functions of the spiral casing guide vanes, and draft tube of a reaction water. (b) A Kaplan turbine developing 3250 KW under a head of 6m has a draft tu
what is electron
Example of Reduce system to a single force and couple: A system of parallel forces is acting on rigid bar as shown in the figure given below. Reduce this system to a sing
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