# Most geologists believe that the dinosaurs became extinct

## Problem 37P Chapter 9

Physics for Scientists and Engineers: A Strategic Approach with Modern Physics | 3rd Edition

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics | 3rd Edition

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Problem 37P

Most geologists believe that the dinosaurs became extinct 65 million years ago when a large comet or asteroid struck the earth, throwing up so much dust that the sun was blocked out for a period of many months. Suppose an asteroid with a diameter of 2.0 km and a mass of  hits the earth with an impact speed of .

a. What is the earth’s recoil speed after such a collision? (Use a reference frame in which the earth was initially at rest.)

b. What percentage is this of the earth’s speed around the sun? (Use the astronomical data inside the back cover.)

Step-by-Step Solution:

Step 1 of 3</p>

In this problem, we have to find the earth’s recoil speed after collision and also the percentage of the earth’s speed.

Step 2 of 3</p>

A. Now to find the earth speed from the law of conservation of momentum.

where is the mass of the earth and  is the speed of earth

Step 3 of 3

##### ISBN: 9780321740908

Since the solution to 37P from 9 chapter was answered, more than 589 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: Physics for Scientists and Engineers: A Strategic Approach with Modern Physics, edition: 3rd. The answer to “Most geologists believe that the dinosaurs became extinct 65 million years ago when a large comet or asteroid struck the earth, throwing up so much dust that the sun was blocked out for a period of many months. Suppose an asteroid with a diameter of 2.0 km and a mass of hits the earth with an impact speed of .a. What is the earth’s recoil speed after such a collision? (Use a reference frame in which the earth was initially at rest.)b. What percentage is this of the earth’s speed around the sun? (Use the astronomical data inside the back cover.)” is broken down into a number of easy to follow steps, and 101 words. This full solution covers the following key subjects: EARTH, speed, sun, use, Asteroid. This expansive textbook survival guide covers 17 chapters, and 1439 solutions. Physics for Scientists and Engineers: A Strategic Approach with Modern Physics was written by Sieva Kozinsky and is associated to the ISBN: 9780321740908. The full step-by-step solution to problem: 37P from chapter: 9 was answered by Sieva Kozinsky, our top Physics solution expert on 08/30/17, 04:34AM.

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