Measuring the speed of Ultrasound
秖禬羘猧硉
Answers:
氮:
- B
- C
- v T 1/2 э糶 v = kT 1/2 ㄤい k 盽计尼ん放 0 oC 讽荡癸放 T0 = 273 K放ぇ羘硉 v0 = 330 m s-1и眔
v0 = kT01/2 (1)
放荡癸放 T = (273+27) K = 300 K砞放いぇ羘硉 vT玥眔
vT = kT 1/2 (2)
(2) (1) k眔
vT = (T /T0)1/2 v0 (3)
盢计 (3) Α放いぇ羘硉
vT = (300/273)1/2 x 330 m s-1 = 346 m s-1