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Objective:
Find the Center
Locate the epicenter of an earthquake using the triangulation method.
Materials:
OR
hypothetical records of earthquake waves
Philippine map
drawing compass and ruler
Procedure:
1. Study the data showing the difference in the arrival time of P-wave
and S-
wave on three seismic recording stations
Recording station
Batangas
Puerto Princesa
Davao
Time difference in the
arrival time of P-wave
and S-wave
(seconds)
44.8
32
Distance of epicenter
from the station (km)
560
38.4
2 Compute the distance of the epicenter from each of the stations
using this formula
d-
Id
x 100km
8 seconds
Where d= distance (km)
Td time difference in the arrival time of P-wave and S-wave
(seconds)
This formula is suited because 8 seconds is the interval between the
times of arrival of the P-wave and S-wave at a distance of 100 km
​

Sagot :

Answer:

Match to make connect sentences about the circulatory system

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