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23 Nov 2019
A solar cooker, really a concave mirror pointed at the Sun, focuses the Sun's rays 17.2 cm in front of the mirror. What is the radius of the spherical surface from which the mirror was made?
A solar cooker, really a concave mirror pointed at the Sun, focuses the Sun's rays 17.2 cm in front of the mirror. What is the radius of the spherical surface from which the mirror was made?
Trinidad TremblayLv2
22 Mar 2019