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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)
Copper And Its Production Copper is marked via a host of good engineering properties. The foremost is copper's good electrical conductivity and bulk of copper is utilized as e
Discover modulus of elasticity of the composite: A composite of glass fibres and epoxy contain all fibres laid along the length and is needed to carry a stress of 1200 MPa. Th
(a) A 50 mm dia. jet having a velocity of 18 m/sec. impinges without shock on a flat plate inclined at an angle to the axis of jet. If the plate is moving at 5 m/sec in the directi
Use of hartung governor
Q. Explain about Postweld Heat Treatment? Pressure vessels shall be postweld heat treated per applicable sections, in accordance with applicable material specifications or when
Magnetic Alloy Steels: These steels are divided into two sets. Such which retain their magnetism and that which do not. The steels which retain their magnetism are termed as
1. What is a soil in an engineering context? Define. 2. (a) What is a clay? (b) What are the major properties and characteristics of clay? Discuss. (c) Define the term
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T w o Stroke Engine In the two stroke engine, instead of valves ports are given, these are opened and closed by moving piston. Through inlet port, the mixture of air and fuel
Motion of this particle: A particle of mass m is resting on a smooth horizontal plane as illustrated in Figure (a). It is associated to a spring which has a constant of k in f
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