Two persons on ice skates stand face to face and then push each other away (see figure below). Their masses are 75 and 95 kg. Find the ratio of their speeds immediately afterward. V75 kg. = V95 kg Which person has the higher speed? O 75-kg skater O 95-kg skater

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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**Image Transcription for Educational Purposes**

### Scenario:

Two persons on ice skates stand face to face and then push each other away. Their masses are 75 kg and 95 kg.

### Diagram Explanation:

The image shows two figures on ice skates. The first figure, with a mass of 75 kg, is wearing a blue jacket and red pants. The second figure, with a mass of 95 kg, is in an orange jacket and skirt.

1. **Initial Position (Top Image):** 
   - The two individuals face each other, ready to push.
   
2. **Post-Push (Bottom Image):**
   - Both individuals have moved apart with visible speed lines, indicating motion in opposite directions after the push.

### Problem Statement:

*Find the ratio of their speeds immediately afterward.*

\[
\frac{v_{75 \, \text{kg}}}{v_{95 \, \text{kg}}} = \, \text{[Input box]}
\]

### Question:

*Which person has the higher speed?*

- ○ 75-kg skater
- ○ 95-kg skater

This exercise demonstrates the principles of conservation of momentum, specifically in a frictionless environment like ice skating.
Transcribed Image Text:**Image Transcription for Educational Purposes** ### Scenario: Two persons on ice skates stand face to face and then push each other away. Their masses are 75 kg and 95 kg. ### Diagram Explanation: The image shows two figures on ice skates. The first figure, with a mass of 75 kg, is wearing a blue jacket and red pants. The second figure, with a mass of 95 kg, is in an orange jacket and skirt. 1. **Initial Position (Top Image):** - The two individuals face each other, ready to push. 2. **Post-Push (Bottom Image):** - Both individuals have moved apart with visible speed lines, indicating motion in opposite directions after the push. ### Problem Statement: *Find the ratio of their speeds immediately afterward.* \[ \frac{v_{75 \, \text{kg}}}{v_{95 \, \text{kg}}} = \, \text{[Input box]} \] ### Question: *Which person has the higher speed?* - ○ 75-kg skater - ○ 95-kg skater This exercise demonstrates the principles of conservation of momentum, specifically in a frictionless environment like ice skating.
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