Physics, 17.09.2019 01:10 mitalichavez1

Hold a pencil in front of your eye at a position where its blunt end just blocks out the moon.
estimate the diameter of the moon, given that the earth-moon distance is 3.8 × 105 km. assume that the pencil has a diameter of about 0.7 cm, and it just blocks out the moon if it is held about 0.75 m from the eye.
express your answer using two significant figures.

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Hold a pencil in front of your eye at a position where its blunt end just blocks out the moon.
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