## centimetres

Noun

- plural form of
*centimetre*

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- For practical purposes we may treat r 2 as constant, and replace d/dr by d/dh, where h is height in
**centimetres**above the ground. - It is a fundamental result in dynamics that, if a body be projected vertically upwards in vacuo, with a velocity of v
**centimetres**per second, it will rise to a height of v 2 /2g**centimetres**, where g represents the numerical value of the acceleration produced by gravity in centimetre-second units. - If a body whose mass is m grammes be moving with a velocity of v
**centimetres**per second relative to the earth, the available kinetic energy possessed by the system is Zmv 2 ergs if m be small relative to the earth. - If m, and m 2 are the strengths of two poles, d the distance between them expressed in
**centimetres**, and f the force in dynes, f=ml m2/d2 (I) The force is one of attraction or repulsion, according as the sign of the product m l m 2 is negative or positive. - The magnetic field due to a long straight wire in which a current of electricity is flowing is at every point at right angles to the plane passing through it and through the wire; its strength at any point distant r
**centimetres**from the wire is H = 21/r, (2) i being the current in C.G.S.

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