A truck weighs twice as much as a car, and is moving at twice the speed of the car. Which statement is true about the truck's kinetic energy compared to that of the car?" a. all that can be said is that the truck has more kinetic energy b. the truck has twice the kinetic energy of the car c. the truck has 4 times the kinetic energy of the car d. the truck has 8 times the kinetic energy of the car.

Physics for Scientists and Engineers, Technology Update (No access codes included)
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Author:Raymond A. Serway, John W. Jewett
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Chapter8: Conservation Of Energy
Section: Chapter Questions
Problem 8.5OQ: Answer yes or no to each of the following questions. (a) Can an objectEarth system have kinetic...
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"A truck weighs twice as much as a car, and is moving at twice the speed of the car. Which statement is true about the truck's kinetic energy compared to that of the car?"

a. all that can be said is that the truck has more kinetic energy
b. the truck has twice the kinetic energy of the car
c. the truck has 4 times the kinetic energy of the car
d. the truck has 8 times the kinetic energy of the car. 

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