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# Suppose that the three balls shown in Exercise 1 start ISBN: 9780321909107 29

## Solution for problem 20E Chapter 3

Conceptual Physics | 12th Edition

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Problem 20E

Suppose that the three balls shown in Exercise 1 start simultaneously from the tops of the hills. Which one reaches the bottom first? Explain. Exercise 1 On which of these hills does the ball roll down with increasing speed and decreasing acceleration along the path? (Use this example if you wish to explain to someone the difference between speed and acceleration.)

Step-by-Step Solution:

Solution 20E Introduction If an object is kept on top of a slope at rest, the object will possess only potential energy. If we release it from there the potential energy of the object will be then converted to kinetic energy while falling down if there is no friction between the surface and ball. Step 1 In these three slopes, the ball in figure 1 slope will hit the ground first because, the path length in other two cases are comparatively more even though the energy is same. So, the ball in shortest path will hit the ground first.

Step 2 of 2

##### ISBN: 9780321909107

This textbook survival guide was created for the textbook: Conceptual Physics, edition: 12. Conceptual Physics was written by and is associated to the ISBN: 9780321909107. The answer to “Suppose that the three balls shown in Exercise 1 start simultaneously from the tops of the hills. Which one reaches the bottom first? Explain. Exercise 1 On which of these hills does the ball roll down with increasing speed and decreasing acceleration along the path? (Use this example if you wish to explain to someone the difference between speed and acceleration.)” is broken down into a number of easy to follow steps, and 61 words. Since the solution to 20E from 3 chapter was answered, more than 723 students have viewed the full step-by-step answer. This full solution covers the following key subjects: acceleration, speed, hills, explain, exercise. This expansive textbook survival guide covers 45 chapters, and 4650 solutions. The full step-by-step solution to problem: 20E from chapter: 3 was answered by , our top Physics solution expert on 04/03/17, 08:01AM.

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