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Those who wish to adopt the textbooks are required to send a request to NCERT, upon which soft copies of the books are received. The material is press-ready and may be printed by paying a 5% royalty, and by acknowledging NCERT. [11] The textbooks are in color-print and are among the least expensive books in Indian book stores. [11]
These tensor fields should obey any relevant physical laws (for example, any electromagnetic field must satisfy Maxwell's equations).Following a standard recipe which is widely used in mathematical physics, these tensor fields should also give rise to specific contributions to the stress–energy tensor. [1]
In physics, there are equations in every field to relate physical quantities to each other and perform calculations. Entire handbooks of equations can only summarize most of the full subject, else are highly specialized within a certain field. Physics is derived of formulae only.
The Feynman Lectures on Physics is a physics textbook based on a great number of lectures by Richard Feynman, a Nobel laureate who has sometimes been called "The Great Explainer". [1] The lectures were presented before undergraduate students at the California Institute of Technology (Caltech), during 1961–1964.
DALLAS (AP) — Southwest Airlines is offering buyouts and extended leaves of absence to airport workers to avoid what it calls “overstaffing in certain locations," which it blames on a shortage ...
Advancing issues outnumbered decliners by a 2.9-to-1 ratio on the NYSE and by a 2.11-to-1 ratio on the Nasdaq. The S&P 500 posted 71 new 52-week highs and no new lows while the Nasdaq Composite ...
Let x 1 and x 2 be the vector positions of the two bodies, and m 1 and m 2 be their masses. The goal is to determine the trajectories x 1 (t) and x 2 (t) for all times t, given the initial positions x 1 (t = 0) and x 2 (t = 0) and the initial velocities v 1 (t = 0) and v 2 (t = 0). When applied to the two masses, Newton's second law states that
By Stella Qiu and Alun John. SYDNEY/LONDON (Reuters) - Markets started what could be a momentous month warily, with shares steady and Treasury yields near four-month highs ahead of U.S. jobs data ...