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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)
show that energy of an isolated system is conserved
A jet of water moving at 8 m/sec. impinges on a concave-shaped vane to deflect the jet through 120 o when stationary. If the vane is moving at 5 m/sec., determine the angle of jet
Explain the statement- subsidence of the ground Another type of problem is the subsidence of the ground due to breakdown of weak rocks like limestone, soluble rocks (gypsum
1. (a) Sketch frequency-response curves for a damped single degree of freedom system subjected to a harmonic excitation under three different damping ratios. The system has a natur
Swing Arm Shock Absorber : This type of suspension is used to serve for rear part of motorcycle. The advantage of this type of suspension is that large deflections are absorbed.
Explain the Isolated System - Thermodynamic In an Isolated system, neither masses nor energy are permitted to cross the boundary. The system comprises certain mass and energy.
DIFINE AS INERTIA
of which material parts of ice engine are made?
Separator: Separator works as insulator between positive and negative plates. These separators are placed between each pair of plates.
The cantilevered beam made from the Z section is subjected to the two loadings as shown. (a) Determine and show the orientation of the neutral axis on the cross section (angle
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