An explosion occurs 34 km away.For sound that travels at 340 m/s,you'll hear the explosion in
A)0.1 s.
B)1 s.
C)10 s.
D)20 s.
E)more than 20 s.

Question

Quizplus · Accepted Answer

To find the time it takes for the sound to travel 34 km at a speed of 340 m/s, convert 34 km to meters (34,000 meters) and divide by the speed of sound (340 m/s). This gives 34,000 / 340 = 100 seconds, which is more than 20 seconds.

An Explosion Occurs 34 Km Away