Geoscience
Senior High
ๆๅพใฎVs๐ฐใฎ้จๅใๅใใใพใใใใใฉใฎใใใซใใฆVsใฎๅฝขใซใใฆใใฎใๆใใฆใใ ใใ<(_ _)>
่พฐๅผฅ
Vs, ๅๆๅพฎๅ็ถ็ถๆ้ t ใจใใใจ,
Sๆณขใฎ
่ฃ่ถณ
DD=t ใจใชใใ ใใใซ, D=56,1
VP
่ถณใ
ใใฎ
Vs
56
3ร56
t=7 ใไปฃๅ
ฅใใใจ.
56
Vs 6.0
=7_Vs=
= 3.42๏ฝฅ๏ฝฅ๏ฝฅใจใชใใ
49
็ญ(
(4)(3)ใใ,้ๆบ่ท้ข 56km ใๅพใใใใฎใงใPๆณขใฎไผๆญ้ๅบฆใ6.0km/sใงๅฒ
ไผใใใฎใซใใใฃใๆ้ใๆฑใใใใใ 56kmรท6.0km/s = 9.33
(่ชฌ
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