Question

A lizard of mass 4.10 g is warming itself in the bright sunlight. It casts a shadow of 1.60 cm² on a piece of paper held perpendicularly to the Sun’s rays. The intensity of sunlight at the top of the Earth's atmosphere is 1.40 × 10³ W/m², but only half of this energy penetrates the atmosphere and is absorbed by the lizard. The lizard has a specific heat of 4.20 J/(g·°C).

What is the rate of increase of the lizard’s temperature?

____ °C/s

Answer 1

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