Question

Speed of sound in air
1500 m/s
A)
5000 m/s
B)
200 m/s
C)
340 m/s
D)​

Answer 1

option D)340m/s

about 343 metres per second

At 20 °C (68 °F), the speed of sound in air is about 343 metres per second (1,235 km/h; 1,125 ft/s; 767 mph; 667 kn), or a kilometre in 2.9 s or a mile in 4.7 s.

Answer 2

Answer:

option D)340m/s

about 343 metres per second

At 20 °C (68 °F), the speed of sound in air is about 343 metres per second (1,235 km/h; 1,125 ft/s; 767 mph; 667 kn), or a kilometre in 2.9 s or a mile in 4.7 s.