0
What else can I help you with?
Why do scientists need three seismographs?
It takes three seismographs to locate an earthquake. Scientists use a method called triangulation to determine exactly where the earthquake occurred. If a circle is drawn on a map around three different seismographs where the radius of each is the distance from that station to the earthquake, the intersection of those three circles is the epicenter.
How do you use triangulation to locate an earthquakes epicenter with three seismographs?
To locate an earthquake's epicenter using triangulation with three seismographs, first, each seismograph records the time it takes for seismic waves to reach it. By calculating the difference in arrival times of the primary (P) and secondary (S) waves, the distance from each seismograph to the epicenter can be determined. Each seismograph provides a circular area around it, with a radius equal to the calculated distance. The epicenter is located at the point where all three circles intersect.
Are ovals a circle?
No, ovals and circles are different shapes. Ovals have an elongated, slightly oblong shape with two different radii, while circles have a round shape with a single radius.
What is parallel of latitudes?
It is a set of imaginary lines on the surface of the Earth which parallel to the equator. They go from 90 degrees N, at the North Pole, to 0 degrees at the equator, to 90 deg S at the South Pole.
How do scientists prevent and warn tsunamis?
If the tsunami is the result of an earthquake, then scientists take three locations that the earthquake hit. They find a radius by finding out how long it took for P waves and S waves to hit the land. Once they've drawn circles, calculated by the radius, around all three locations there is an epicenter. This is where all three circles intersect. They then have seismographs that show the damage of the earthquake by a Moment Magnitude Scale. Then they predict that a tsunami will follow shortly after and they warn the countries in danger.
Is it that if two different circles intersect then they intersect at one and only one point?
If two circles intersect then they have to intersect at two points.
How many times can 2 circles with different diameters intersect?
Twice max.
What do you call two circles that don't have the same center point?
Two circles that don't have the same center point are called "non-concentric circles." These circles can have different radii and may or may not intersect each other. If they intersect, they will do so at two points, one point, or not at all, depending on their sizes and positions.
What are coplanar circles that intersect in one point called?
Tangential circles.
What are two coplanar circles that intersect at exactly one point?
Tangent circles.
What describes coplanar circles that intersect in exactly one point?
Tangential circles.
What is the LCM of 9 18 and 21 using a venn diagram?
Circle A only: 9, 27, 45, 63, 81, 99, 117 Circle B only: No numbers Circle C only: 21, 42, 84, 105 Circles A and B intersect: 18, 36, 54, 72, 90, 108 Circles B and C intersect: No numbers. Circles A and C intersect: 63 Circles A, B and C intersect: 126
What is the meaning of congruent circle?
2 circles that intersect each other
What type of data do geologists use to locate an earthquake's epicenter?
Seismologists use the data from triangulated seismographs to locate an earthquake's epicenter. The difference in time between the arrival of p and s waves at a seismometer tells the distance to the epicenter of an earthquake. To get the exact location, scientists must collect data from at least three seismometers. The point where all three circles is the epicenter of the earthquake. +++ The Epicentre is generally obvious: it is the point of maximum disturbance on the surface. The centre of the actual slip is the Focus, and this has to be calculated from seismograph data by triangulating from wave velocities.
What is the maximum number of points of intersection when two circles and five straight lines intersect each other?
When two circles intersect, they can create a maximum of 2 intersection points. Each straight line can intersect with each of the two circles at a maximum of 2 points, contributing 10 points from the lines and circles. Additionally, the five straight lines can intersect each other, yielding a maximum of ( \binom{5}{2} = 10 ) intersection points. Therefore, the total maximum points of intersection are ( 2 + 10 + 10 = 22 ).
How do geologist locate the epicenter of earthquakes?
Geologists use circles to find the epicenter of an earthquake.
Why are seismographs stations needed to determine the location of an epicenter?
Three seismograph stations are needed to determine the location of an epicenter because each seismograph can determine distance to the epicenter but not direction. The point where the three circles intersect is the epicenter of the earthquake. +++ Focus - not epicentre, which is the point of maximum movement on the surface above the slip itself.
