At what angle below the horizontal should you insert your straw in order to hit the tapioca ball?

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a. At what angle below the horizontal should you insert your straw in order to hit the tapioca ball?

(2) While drinking some boba tea, you want to stab a tapioca ball at the bottom of your
tea with your straw. The tea is 9.53cm deep and your eyes are currently 27.6cm above the
bottom of your glass (ng = 1.417). As you look at the tapioca ball, your gaze is 81.1° below
the horizontal and does not look through the side of the glass. We can assume that boba
tea and water have the same index of refraction (nw
1.33).
Transcribed Image Text:(2) While drinking some boba tea, you want to stab a tapioca ball at the bottom of your tea with your straw. The tea is 9.53cm deep and your eyes are currently 27.6cm above the bottom of your glass (ng = 1.417). As you look at the tapioca ball, your gaze is 81.1° below the horizontal and does not look through the side of the glass. We can assume that boba tea and water have the same index of refraction (nw 1.33).
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