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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)
Find out the proof load in close coiled helical spring: A close coiled helical spring is built of 6 mm diameter wire. The coil diameter is equal to 80 mm, number of coil is 10
Find out ratio of upper end area to lower end area of bar of uniform strength Sol : The figure given to us shows a bar subjected to external tensile load P. If bar had be
Q. Pressure and Temperature in Unfired pressure vessels? The design pressures and coincident maximum and minimum metal temperature, shall be determined by carefully considering
Explain the Extensive Properties of a System Extensive properties are those, which dependent on the mass of the system and do not maintain similar value for any part of the sys
What is In-Line IC Engines?
Design of Connecting Rod: Design and analyse the stress distribution in a connecting rod as shown in Figure 5. The axial load which the connecting rod carries is 1kN and the m
what do you mean by law of belting and also explain the crowning of pulleys ?
Truss: What are truss? When can the trusses be rigid trusses? State the condition which is followed by simple truss? Sol.: A structure made up of several bars riveted o
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 direction o
RECTIFIER TYPE POWER SOURCES The next popular power sources are of rectifier type. Three phase transformer (step down) connected to a rectifier to give DC output is the simple
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