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##### (Solution Download) Batman and Robin are attempting to escape that dastardly villain, the Joker, by hiding in a large po

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Batman and Robin are attempting to escape that dastardly

villain, the Joker, by hiding in a large pool of water (refractive

index nwater = 1.333). The Joker stands gloating at the edge of the

pool. (His makeup is water-soluble.) He holds a powerful laser

weapon y1 = 1.23 m above the surface of the water and fires at an

angle of A?¸1 = 29.8 Ac?¦ to the horizontal. He hits the Boy Wonder

squarely on the letter Ac?A?RAc???, which is located y2 = 4.2 m below the

surface of the water.

How far (horizontal distance)

is Robin from the edge of the pool? (Fear not, Batfans. The Ac?A?RAc??? is

Batman attempts to hide out in a Batbox. The top is a mirrored

surface, but the vertical sides are made of clear Batplastic

(refractive index np = 1.333). It is located x = 2.76 m

horizontally from the edge of the pool. What is the minimum depth

(measured to the top of the Batbox) that the Batbox can be below

the surface of the water for the Caped Crusader to remain hidden

from the Joker? Assume: The Joker gets down close to the water for

the best view. Answer in units of m.

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This question was answered on: Oct 24, 2017

Solution~00017291253200.zip (18.37 KB)