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5. A concave mirror with a radius of curvature of 1.50m is used to focus sunligt...

5. A concave mirror with a radius of curvature of 1.50m is used to focus sunligt to cook a hot dog. The sun is 1.5x10^11m away, and has a diameter of 1.4x10^9m. (a.) How big is the focused spot of light on the hot dog?

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二1,5 m +-+-ㄊ 075.5x10 じ~-075 n 0.75 The diareteu of sun-14x Lek the dbapntes of spot size d meter 1 ラ

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