SIN Bin: 1986, Problem 6

By Department Faculty

Snoopy is flying his biplane at an altitude of 225m above Lake Ontario, which is 160m deep. Using his machine gun sights, he sees the Red Baron in a submarine resting on the bottom of the lake. The sights of Snoopy's gun point 37° below horizontal. What is the horizontal separation between Snoopy and the Red Baron? (Answer in m.)

1. 510
2. 460
3. 420
4. 380
5. 290