Two spectators at a soccer game in montjuic stadium see and, Ask an Expert

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Two spectators at a soccer game in Montjuic Stadium see, and a moment later hear, the ball being kicked on the playing field. The time delay for one spectator is 0.81 s and for the other 0.73 s. Sight lines from each spectator to the player kicking the ball meet at an angle of 90 °.

(a) How far is each spectator from the player?

first spectator m

second spectator m

(b) How far are the spectators from each other?

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