An earthquake occurs 7,375 km from a seismograph. The P-waves arrive 12.2 minutes later. How fast is the P-wave traveling (in km/s)? If the lag time between P- and S-waves is 10.6 minutes, how fast are the S-waves traveling (in km/s)? Using the shadow of S-waves you determine that the radius of the core is 55% of the Earth's 6,378-km radius. How many kilometers from the surface is this (in km)? art 1 of 3 To calculate how fast the P-waves are traveling, we need to divide the distance the waves travel by the time. d. Vp = Make sure you are dividing by the time in seconds. s Vp = Make sure you are dividing by the time in seconds. km/s

An earthquake occurs 7,375 km from a seismograph. The P-waves arrive 12.2 minutes later. How fast is the P-wave traveling (in km/s)? If the lag time between P- and S-waves is 10.6 minutes, how fast are the S-waves traveling (in km/s)? Using the shadow of S-waves you determine that the radius of the core is 55% of the Earth's 6,378-km radius. How many kilometers from the surface is this (in km)? art 1 of 3 To calculate how fast the P-waves are traveling, we need to divide the distance the waves travel by the time. d. Vp = Make sure you are dividing by the time in seconds. s Vp = Make sure you are dividing by the time in seconds. km/s

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.

Question

**Tutorial**

An earthquake occurs 7,375 km from a seismograph. The P-waves arrive 12.2 minutes later. How fast is the P-wave traveling (in km/s)?

If the lag time between P- and S-waves is 10.6 minutes, how fast are the S-waves traveling (in km/s)?

Using the shadow of S-waves, you determine that the radius of the core is 55% of the Earth's 6,378-km radius. How many kilometers from the surface is this (in km)?

**Part 1 of 3**

To calculate how fast the P-waves are traveling, we need to divide the distance the waves travel by the time.

\[ v_P = \frac{d}{t} \]

- **d**: Distance, 7,375 km
- **t**: Time in seconds (convert from minutes)

Ensure division by time in seconds to calculate speed in km/s.

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