_9. An example of a system having both kinetic and potential energy would be: a a book resting on a table S an object in free fall b. a projectile at its highest point d. a stretched rubber band _10. On building, as the elevator decelerates downward its a kinetic energy increases and work increases b. kinetic energy decrease and work decreases S. kinetic energy increases and potential energy decreases d. kinetic energy decreases and potential energy decreases

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9. An example of a system having both kinetic and potential energy would be:
a a book resting on a table
Se an object in free fall
b. a projectile at its highest point
d. a stretched rubber band
10. On building, as the elevator decelerates downward its
kinetic energy increases and work increases
b. kinetic energy decrease and work decreases
s. kinetic energy increases and potential energy decreases
d. kinetic energy decreases and potential energy decreases
Transcribed Image Text:9. An example of a system having both kinetic and potential energy would be: a a book resting on a table Se an object in free fall b. a projectile at its highest point d. a stretched rubber band 10. On building, as the elevator decelerates downward its kinetic energy increases and work increases b. kinetic energy decrease and work decreases s. kinetic energy increases and potential energy decreases d. kinetic energy decreases and potential energy decreases
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