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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)
machine tool derives
WHATIS CG OF A WIRE BENT IN THE FORM OF A QUARTER ELLIPSE
Explain the subtractive process of Rapid Prototyping
CONDUCTION OF ELECTRICITY IN GASES Electricity can pass through different media. In the case of gases, the atoms or molecules are not packed and they are free to move. In fact
Gated pattern This is an improvement over the simple pattern where the gating and runner system are integral with the pattern. This would eliminate the hand cutting of the runn
Principle of equilibrium: Sol.: Principle of equilibrium can be divided in to three main parts; (1) Two Force Principle: As the Resultant is zero when body is in equili
Advantage of flash butt welding 1. Higher weld strength 2. Higher production rate 3. Better heat concentration 4. Simple weld surface preparation 5. Wide range of m
what are the tests to carried out after mockup preparation
why the pressure will reduce when the velocity increases
During paddling of a bicycle,the force of friction exerted by the ground on the two wheels is? Ans) Since the rear wheel rotates by itself (we only paddle to rotate the fron wheel
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