Recent content by Nikhil Kumar

This is the derivation i found in a book: "y1(x, t) = a sin (kx – ωt) [wave traveling in the positive direction of x-axis] ...(1) and y2(x, t) = a sin (kx + ωt) [wave traveling in the negative...

Consider a transverse sinusiodal wave on a sting. Let the wave be traveling in positive x-direction. Let its amplitude be A, wave no. be k and angular frequency be ω then the vertical displacement of any particle at a distance x from the origin and at any time t is given as: y(x,t) = A...

Thanks Mal! You made my day. And Ritwik, I'm not that Nikhil. I live in Chattisgarh.

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Thanks sir! This has solved my problem. I solved it like this: Let v1 be the velocity of the smaller mass wrt the ground when it just flies away from the larger mass. Taking 'the larger mass + smaller mass as the system' and applying law of cons. of energy, we have: Intial energy = Final...

A small body of mass m placed over a larger mass M whose surface is horizontal near the smaller mass and gradually curves to become vertical. The smaller mass is pushed on the longer one at a speed v and the system is left to itself. Assume all surfaces to be frictionless. (Please refer the...