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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)
What are various types of damping ? Explain viscous damping. A vibrating system is defined by the following parameters : m = 4Kg, K = 10N/m, C =3N-Sec/m Evaluate (a) Na
Compute the centroidal moment of inertia: Compute the centroidal moment of inertia of a thin homogeneous bar AB of length l and having a mass of m kg Solution The mass
The wing of a light, single-engine general aviation aircraft has an area of 15.8 m 2 and a span of 9.6 m. The airfoil of the wing is NACA 65-415, which has a lift slope of 0.1033
what are causes of hotness of a body?
Kinematics Equations Kinematics deals with problems involving distance, velocity, time and constant acceleration. The restraint that acceleration is a constant for these problem
(a) What could be the characteristics of tool materials. (b) Describe several tool materials with their composition.
A centrifugal clutch is to be prepared to transmit 15 KW at 900 r.p.m. The shoes are four in number. The speed at which the engagement begins is 3/4 th of the running speed. The in
what is correction couple&why it is needed
How can I achieve a back and forth movement of carriage system. How can I reverse the motor to go back and forth.
Relativity of simultaneity Two events occurring at different space co-ordinates x 1 and x 2 in an inertial frame S, are said to be simultaneous, if they occur at the same tim
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