IB Physics: Solutions

1. Given the following data show that average temperature of the moon’s surface is about -4°C. (Note this is the average temp. the sunny side can be over 100°C and the dark side as low as 150°C) Distance to sun 1.5 x 1011 m Radius 2 x 10 6 m Albedo 12% Power emitted by Sun 4 x1026 W Hint: Solution: 2. The human body has a temperature of 37°C and a surface area of about 2m2. Estimate the energy radiated per...

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