Lighting a Light Bulb! 1. You are operating a bicycle generator like the one at right. Suppose that 10% of the energy from a fun-sized Snickers candy bar (74 Calories) is transferred to electrical energy. For how many minutes could this energy power a 60 W light bulb? 1 Calorie = 4186 J 1. Bicycle 5. Light bulb 3. Drive Belt 2. Stand 4. Motor

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter11: Energy In Thermal Processes
Section: Chapter Questions
Problem 4P
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Lighting a Light Bulb!
1. You are operating a bicycle generator like the one at right. Suppose that 10% of the energy from
a fun-sized Snickers candy bar (74 Calories) is transferred to electrical energy. For how many
minutes could this energy power a 60 W light bulb? 1 Calorie = 4186 J
1. Bicycle
5. Light
bulb
3. Drive
Belt
2. Stand
4. Motor
Transcribed Image Text:Lighting a Light Bulb! 1. You are operating a bicycle generator like the one at right. Suppose that 10% of the energy from a fun-sized Snickers candy bar (74 Calories) is transferred to electrical energy. For how many minutes could this energy power a 60 W light bulb? 1 Calorie = 4186 J 1. Bicycle 5. Light bulb 3. Drive Belt 2. Stand 4. Motor
Expert Solution
Step 1

Given: 

1 Calorie=4186 J

Energy transferred from snickers candy bar electricity is 10% of 74 Calories

Power of light bulb, P=60 W

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