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A trajectory or flight path is the path that a moving object follows through space as a function of time. A trajectory can be described mathematically ... more

Total Shareholder Return (TSR) (or simply Total Return) is a measure of the performance of different companies’ stocks and shares ... more

A pressure vessel is a closed container designed to hold gases or liquids at a pressure substantially different from the ambient pressure. Stress in a ... more

The beta angle is a measurement that is used most notably in spaceflight. The beta angle determines the percentage of time an object such as a spacecraft ... more

Compressed air energy storage is a way to store energy generated at one time for use at another time using compressed air. In order to achieve a near ... more

In astronomy, Kepler’s laws of planetary motion are three scientific laws describing the motion of planets around the Sun.

1- The orbit of ... more

Torsion balances, torsion pendulums and balance wheels are examples of torsional harmonic oscillators that can oscillate with a rotational motion about the ... more

The magnetic energy stored by a coil carrying a current is given by one half of the inductance of the coil times the square of the current

Calculation of the area of a disc. The area of a disk is half its circumference times its radius or the product of the constant π (the constant ratio of ... more

The orbital period is the time taken for a given object to make one complete orbit around another object.When mentioned without further qualification in ... more