3 years ago

Where does the force for earthquakes came from?

Physics

1 answer:

irina [24]3 years ago

8 0

The core or a place called the epic center

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(a) Electric power is given by the formula as follows :

$P=\dfrac{V^2}{R}$

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(b) When connected to a 220 V supply, it takes 3 minutes for the water in the kettle to reach boiling point.

Energy supplied is given by :

$E=P\times t$

P is power, $P=\dfrac{V^2}{R}$

$E=\dfrac{V^2}{R}t\\\\E=\dfrac{(220)^2}{48.4}\times 180\\\\E=180000\ J\\\\E=180\ kJ$

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