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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)
State the postulates of special theory of relativity and deduce from them the Lorentz transformations. Define an inertial frame of reference and derive the Lorentz transformatio
What do you understand by interference between two mating gears ? if interference between two involutes gears is to be avoided then show that the maximum length of arc of contact w
A gantry crane shown in figure above acts an auxiliary to bridge cranes. It is provided with wheels and can be moved from open place to another as per requirements.
differentiate between kinematic chain and mechanisms
Q. How can you test hardness of the prepared mould? Hardness test: The hardness of the prepared mould surface is tested to check the ramming density of the sand. The instrume
01-- what is the scope of som? 02-- how can we learn and understand shear force and bending moment diagram?
assignment
calculate the head required
Connecte d Rod: It is attached to piston at its small end by means of gudgeon pin. The big end bearing is connected to crank pin. It is made up of forged steel.
what is structure with example
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