## What is coulomb, Physics

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Q. What is Coulomb?

One Coulomb is describe as the quantity of charge which when placed at a distance of 1 metre in air or vacuum from an equal and similar charge experiences a repulsive force of 9 × 109 N.

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How fast would the train be travelling when it in Lac-Mégantic derailed. There were 5 locomotives and 72 cars filled with 113,000 litres of crude oil. The elevation was 520 m Cote

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#### Tunnels through the earth, Q. Tunnels through the Earth Assume a straig...

Q. Tunnels through the Earth Assume a straight tunnel is cut from the surface of the earth to the opposite side through the centre. The object is going down the tunnel and a

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draw a force diagram for a baseball player who slows as he slides into the base?

#### Ergosphere, Ergosphere The region about a rotating black hole, among t...

Ergosphere The region about a rotating black hole, among the event horizon & the static limit, where rotational energy can be extracted through black hole.

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Get an expression for lateral shift produced by a parallel sided glass slab placed in air.

#### Flux, as flux = E.A and flux density is equal to flux/A then why A/A cannot...

as flux = E.A and flux density is equal to flux/A then why A/A cannot e cancelled ?

#### Analog electronics, explain the formation of energy band in intrinsic semic...

explain the formation of energy band in intrinsic semiconductor  