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Concerns the application of the laws of physics to analyze common situations encountered in everyday life.

2 votes
1 answer
796 views

Does an induction cooktop attract or repel the base of a pan?

My first guess would be that the frying pan would be attracted to the induction coil just as any ferrous metal to a solenoid. But I recently found out that an induction coil can actually be designed …
0 votes

Will all water evaporate before oils and fats start to evaporate?

The temperature is related to the average kinetic energy in the substance. Throughout there will be molecules with a range of energies above and below. Eaporation occurs when molecules at the surface …
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90 views

How much sunlight would 'fit' through a fibre optic cable?

Say a parabolic mirror were used to focus the full sunlight spectrum into a single strand of optical fibre. Assuming ideal conditions (perfect reflecting surface, focal point smaller than diameter of …