Question:
1 1 2 2 5 6 3 4 3 4 5 8 Blackened metal foil receives heat
Last updated: 6/27/2023
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1 1 2 2 5 6 3 4 3 4 5 8 Blackened metal foil receives heat from a heated sphere placed at a distance r from it It is found that foil receive power P If the temperature and the distance of the sphere are doubled then the power received by the foil will be 1 P 2 2P 3 8P 4 4P in it takes 4 minutes in cooling from 61 C to 59 C The time tak A L