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What is the atomic bomb equivalent of energy released during a 7. 0 quake? an 8. 0 quake? a 9. 0 quake?

Sagot :

Answer:

7. 0  = 500 kilotons of TNT = 2.0 x 10^15 joules

8.0 =  15 million tons of TNT = 6.3 x 10^16  joules

9.0 = 500 million tons of TNT = 2.0 x 10^18  joules

atomic bomb dropped on Hiroshima had a equivalent of 15 kilotons TNT

Explanation:

formula :

log E = 5.24 + 1.5M

M is richter scale magnitude

if 8.3 = richter scale magnitude

log E = 11.8 + 1.5M Write the formula.

log E = 11.8 + 1.5(8.3) Replace M with 8.3.

log E = 24.25 Simplify

10^log E = 10^24.25

E = 10^24.25

E ≈ 1.78 x 10^24 ergs ≈ 1.78 × 1017 joules

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