Sound travels at a speed of 330 m/s. You hear a firecracker 15s after it explodes. How far is the explosion from where you are?
Answers
Answer:
Solutions:
speed of sound = 330m/s
time = 15 sec
so, we know that
distance = speed ×time
distance = (15 ×330) m
distance = 4950 m
Answer:
Considering that sound travels at a speed of 330 m/s, then the distance between you and the explosion of firecracker is 4,950 meters.
Explanation:
Step 1: Scientists claim to have found the sound's fastest conceivable speed. Researchers discovered that solid atomic hydrogen could carry sound waves at a speed of 36 km/s. That is almost twice as fast as they can go through diamond, which is the world's hardest substance.
Given:
Speed of sound = 330 m/s
Time you hear the explosion = 15 seconds
Step 2: Distance from explosion = ? unknown
With some fluctuation for temperature, humidity, and altitude, the speed of sound is around 1,135 feet per second (fps), for context. Many pistol rounds have a faster than sound velocity. Every rifle load does. High-velocity rifle rounds may travel at speeds of up to 4,000 fps.
Speed of sound = distance / time
330 m/s = distance / 15 s
distance = 330 m/s × 15 s (cancel the unit second)
distance = 4,950 meters
The distance between you and the explosion of firecracker is 4,950 meters.
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