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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)
Evaluate stress in fibre: Example, the matrix material can be stressed to its full strength of 80 MPa, calculate the allowable % of broken fibres. What will be the stress in f
what is the reason that rails are made in I-section form and not in the form of rectangular section.
Boundedness, Reversibility, Liveliness, Deadlock, And Synchronization Characteristics With Their Uses We previously introduced the conception of reversibility, liveliness, and
Q. Environmental factors for high temperature service materials? Many environmental factors must also be considered when choosing a material for high temperature service. High
when the governor is connected to a engine its sensitiveness formula change,why?
Q. Cyclic Service for vessels? The required service for all vessels shall include consideration of cyclic service. Batch operation vessels, for example, quite frequently fall i
Write down the uses of following tools and make neat sketches of the same : (a) Vernier Caliper (b) Steel Rule
Q. What do you mean by Bunds and Dikes ? A bund (or dike) is an embankment or wall of brick, stone, concrete or other impervious material, which surrounds the entire perimeter
Sum of horizontal and vertical components: The two forces shown in the figure, are to be replaced by an equivalent force R applied at P . Locate point P by finding its d
Assume we want to determine the minimum stopping distance of an automobile traveling at 60 mph. We again assume that the maximum value of µ is unity. Then the maximum deceleration
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