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Explain vectors
Vectors: a quantity that has a size as well as direction is known a vector. So, for example, the wind blows with some speed and in some direction. So the wind velocity is a vector.
If we choose axes, then a vector is fixed by its components along those axes.
In one dimension, a vector has only one component (call it the x-component).
In two dimensions, a vector has both x and y components.
In three dimensions, the components are along the x,y,z axes.
Steel: Steel contains iron with a small percentage of carbon added it. Iron itself is not very strong but the additions of small percentage of carbon in it decrease the ductility
A metal ring stand and rings A useful ring stand and rings can be made from a flat curtain rod and the fixtures which clamp over electric bulbs to hold lamp shades. These are u
Hawking temperature: The temperature of a black hole caused through the emission of Hawking radiation. For a black hole along with mass m, it is following T = (hbar c 3 )/(
In certain ranges of a piano keyboard, more than one string is tuned to the same note to provide extra loudness. For example, the note at 110 Hz has two strings at this frequency.
A cue ball has a mass of 0.160 kg is at rest on a frictionless pool table. The ball is hit dead center by a pool stick which applies an impulse of +1.40 Ns to the ball. He ball the
A satellite is goes form the surface of earth vertically and then is turned horixontally in space as it requires to revolve around the earth.
Understand the manufacturing technique of optical fibres by using chemical vapour deposition method. A Traversing oxy-hydrogen flame heats the reaction zone to a temperature ar
A satellite of mass "M" is in orbit around the earth. If a second satellite of mass "2M" is to be placed in the same orbit, the second satellite must have a velocity which is:
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