Which of the 25 worst earthquakes in history will you do your research on? Why did you choose this earthquake?

1 answer:

8 0

One of the worst earthquake i would say is the Valdivia earthquake

Ill say this one because the quake created a tsunami, which together killed an estimated 5,700 people

Hope this helps

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The amplitude of a standing sound wave in a long pipe closed at the left end is sketched below. The vertical axis is the maximum

Rudiy27

Answer:

Check the explanation

Explanation:

A) 7th Harmonic. (Of an open ended pipe, odd harmonics are allowed (3rd overtone))

b) f = n v / 4 L

n = 7

f = 7 x 350 / 4 x 0.41 = 1493.9 Hz

c) Let level of water H, If reduces the effective length of pipe

Using, f = n v / 4 Leff

n = 1

251.8 = 1 x 350 / 4 ( 0.41 - H)

H = 0.0625m

H = 6.25 cm

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A 1000 kg elevator accelerates upward at 1.0 m/s2 for 10 m, starting from rest. a. How much work does gravity do on the elevator

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Here you go mate. Hope it helps u. Pls follow me in reddit lol username: RobloxNoob2006