Teaching Physics with the Physics Suite

Edward F. Redish

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The bridge at Mostar

1. In Mostar Bosnia,the ultimate test of a young man's courage once was to jump off a 400-year-old bridge (destroyed in a war in the 1990's) into the river Neretva, 23 m below the bridge.

(a) How long did the jump last?

(b) How fast was the diver traveling upon impact with the river?

(c) If the speed of sound is 340 m/s, how long after the diver took off did a spectator on the bridge hear the splash?

(My own photo, taken on a visit to Mostar in 1978)

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Page last modified November 5, 2002