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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)
Create Visual Basic function ffactor(Re, rr) that calculates the Darcy-Weisbach friction factor in a pipe or duct, where Re is the Reynolds No. and rr is the relative roughness, us
A cam is required to a lift of 30 mm for a rotation range of 60 o . The follower then dwells at this level for a further 90 o and then falls over the next 60 o . Finally the rest
Stress-Strai n Curves (Compression): For the ductile materials stress strain curves in compression are similar to those in tension at least up to the yield point for all the
The Radial Dimension Commands There are 2 main radial dimension commands, DIMDIAMETER & DIMRADIUS. Both commands result in similar looking dimension so AutoCAD automatically i
Q. Describe the Selection of elctrodes? The selection of a proper electrode for electric arc welding is very important to obtain a sound welded joint of proper strength. The va
how do you find the projectile motion or equation?
Can you give me the Prove of the bending Equation M/I=E/R=σ/Y
Necessity of Brakes To stop a vehicle in normal as well as emergency conditions. To slow down the speed to turn, pass hurdles etc.
Which of the statements are true for a particle moving in a circle with a constant angular speed? Ans) The angular speed is how fast the angle changes. So it measures A particl
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
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