Question

A large boulder falls from a cliff located 1,044 meters away from a herd of elephants. The temperature of the air is 29°C. How long after the boulder crashes will the elephants hear the sound?

A. 319 m/s

B. 331 m/s

C. 343 m/s

D. 219 m/s

Answer 1

the answer you would be letter D 343 m/s