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Steelyards
Either Roman or Danish steelyards can be improvised using short lengths of lead or iron water pipe as counter-weights and loops of wire s pivots.
The rod can be of either wood or metal; in the latter case notches can be filed on the underneath of the bar to show the balance points for various weights.
Artificial satellites 1. Satellites help to develop reliable communication links between different countries separated by large distances on the globe. The communications inclu
State of Motion: Inertia is the tendency of an object to resist alters in its state of motion. State of motion of an object is described by its velocity - speed with a direc
Correspondence principle (N. Bohr) The principle that when a new, more general theory is placed forth, it has to decrease to the more specialized (and usually simpler) theory
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 )/(
If either screen or source or both are at preset distance from the diffracting device (obstacle or aperture), the diffraction is known as Fresnel type.
#what are the condition necessary for heat transfer to occur?
A body of mass 2 kg thrown vertically upwards with a velocity 40 m/s comes to instantaneous rest at a height 50 m. Is there any other force (other than gravitational force), if yes
what is deforming force
a tiny air bubble inside a glass slab appears to be 6 cm deep when viewed from one side and 4 cm deep when viewed from other side. find the thickness of slab
The tree needs to fall uphill even though it is leaning downhill. The felling notch at O is sufficiently large so that the resisting moment at O is negligible. The trunk above po
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