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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Find the kinetic energy of the objects in the scenarios.
A. A cosmic pion of mass 140 MeV/?2140 MeV/c2 flies through outer space at a speed of 9.61×103 km/s9.61×103 km/s. See the hint for help converting MeV/?2MeV/c2 to kg.
![The image illustrates several scenarios, each followed by an empty box to calculate kinetic energy (K) in joules (J).
---
**B. Cheetah Scenario**
Description: A cheetah weighing 375 N chases a gazelle at a speed of 34.9 m/s.
- **K = [empty box]** J
---
**C. Truck Scenario**
Description: A truck weighing 3.84 short tons speeds down the road at 66.6 mph.
- **K = [empty box]** J
---
**D. Asteroid Scenario**
Description: An asteroid of mass \(2.57 \times 10^{17}\) kg buzzes the Earth at a speed of 10300 mph.
- **K = [empty box]** J
---
This information is likely used to teach students about calculating kinetic energy using the formula:
\[ K = \frac{1}{2} m v^2 \]
where \( m \) is mass and \( v \) is velocity. Students would convert weights to mass (if needed) and speeds to consistent units, then use the formula to find each kinetic energy value.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6c19312b-eb69-4158-84e7-5b7b1effc0a1%2F91c7bd06-5de6-4ad1-9759-31b099647457%2Fc2azwmf_processed.png&w=3840&q=75)
Transcribed Image Text:The image illustrates several scenarios, each followed by an empty box to calculate kinetic energy (K) in joules (J).
---
**B. Cheetah Scenario**
Description: A cheetah weighing 375 N chases a gazelle at a speed of 34.9 m/s.
- **K = [empty box]** J
---
**C. Truck Scenario**
Description: A truck weighing 3.84 short tons speeds down the road at 66.6 mph.
- **K = [empty box]** J
---
**D. Asteroid Scenario**
Description: An asteroid of mass \(2.57 \times 10^{17}\) kg buzzes the Earth at a speed of 10300 mph.
- **K = [empty box]** J
---
This information is likely used to teach students about calculating kinetic energy using the formula:
\[ K = \frac{1}{2} m v^2 \]
where \( m \) is mass and \( v \) is velocity. Students would convert weights to mass (if needed) and speeds to consistent units, then use the formula to find each kinetic energy value.
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