Author Question: What occurs as a tsunami's circumference expands? a. The wave height increases b. The energy ... (Read 44 times)

Mimi · **on:** Aug 22, 2018

What occurs as a tsunami's circumference expands?
a. The wave height increases
b. The energy dissipates
c. The period increases
d. The period decreases.

Question 2

How deep would a submarine need to dive to feel no motion from surface waves with a wavelength of
200 meters ?
a. less than 50 meters
b. less than 100 meters
c. below 50 meters but above 100 meters
d. below 100 meters

chevyboi1976 · **Reply #1 on:** Aug 22, 2018

Answer to Question 1

ANS: B
This is partly why India was not as heavily impacted by the 2004 tsunami off Indonesia. Information
can be found in the section Water Displacement Causes Tsunamis and Seismic Sea Waves.

Answer to Question 2

ANS: D
A sea is a group of wind waves with many wavelengths, periods and heights that are being generated
by the continual blowing of wind. Information can be found in the section Ocean Waves move Energy
across the Sea Surface