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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)
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Concept of continuum - thermodynamics: Sol: Even the simplification of matter into molecules, atoms, electrons, etc. is too complex a picture for many problems of thermodyna
sir, you are doing such a great thing.but my suggestion is that please u put some engineering problems to solve. for engineering student like me.
Calculate Drilling Speed and Machining Time Calculate the drilling speed if a 50 mm dia hole of 60 mm depth is to be drilled in a M.S. component. The feed rate is 0.2652 and M
A carnot engines performs between two reservoirs whose difference in temperature is 200 o C. If the work output of the engine is 0.5 times the heat rejected, make evaluation for th
(a) Describe the basic procedure for mechanical engg. design. (b) What is the relationship between the functional requirement and appearance of product?
Find the distance of weight ‘x’ from support: The t wo weights C = 2000N and D = 1000N are located on horizontal beam AB as shown in the figure given below. Find the d
Q. Show Construction Subcontractor Responsibilities? The Supplier or Construction Subcontractor is responsible for: • Employing qualified PMI technicians • Performing PMI
how is varignons theorem useful in engineering mechanics
why there is a different angular velocity in the two cranks of a drag link mechanism?
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