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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. What is Erosion Loss? Additional metal thickness must be added in specific locations where metal loss is expected, due to stream flow that is of high velocity, or is abrasiv
Determine reactions force: Thr e e sphere A , B and C weighing 400N, and 200N and having radii 400mm, 600mm and 400mm respectively are placed in trench as shown in t
Problem: Newton's First Law Newton's First Law of Motion says that, in the absence of external forces, an object at rest stays at rest and an object in motion continues at cons
Determine the Excavation of soil Excavation of soil in open well foundations is done by dredging with grab buckets or similar equipment. The volume of excavated soil always e
Discover the maximum torque: Discover the maximum torque that may be transmitted by the shaft of 400 mm diameter, if the shear stress is not to exceed 50 N/mm 2 . Solution
Explain about the Raft Foundations The raft foundations are generally used for large loaded area on soils of low bearing capacity. They are of particular use when soils are of
Question 1 A metal rod has a diameter of 8.74 mm and supports a load of 24.6 kN. Calculate the value of true stress on the rod. The diameter was measured with the load already a
Determine the deflection at free end: For the beam illustrated in Figure, determine the deflection at free end and the maximum deflection. Figure Solution R
An axial flow pump handling oil of specific gravity 0.8 at a rate of 1.0m3 s-1 is fitted with downstream guide vanes and its impeller rotates at 250 rev min-1. The oil approaches t
Explain the subtractive process of Rapid Prototyping
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