College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Assume 1 serving of fried chicken is 320 calories. Consider that a food calorie is equal to about 4 kJ of energy, how much energy in a serving size of the fried chicken compares in other situations.
For example, how does this compare to the amount of energy that's necessary to lift a fully-loaded pickup truck up three meters above the ground? Let's say the truck has a mass of 2500 kg.
Create a Energy-Interaction Model, and determine how much energy is necessary to lift the truck.
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- A cart is loaded with a brick and pulled at constant speed along an inclined plane to the height of a seat-top. If the mass of the loaded cart is 3.0 kg and the height of the seat top is 0.45 meters, what is the potential energy of the loaded cart at the height of the seat top? Referring to the previous item, what will happen to the potential energy of the cart if its mass increases four times?arrow_forwardA 69 kg passenger in an airplane has a kinetic energy of 4.3x 10^6 j. What is the speed of the airplanearrow_forwardWhile I can kick a soccer ball so that it has a speed of 10 m/s, David Beckham can kick a ball so that it has a speed of 45 m/s. How many times greater is the Kinetic Energy of the ball kicked by Beckham than the ball kicked by me?arrow_forward
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