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Author Question: Today, the U.S. imports about what percentage of the oil it uses? a. 10 b. 25 c. 40 d. 60 e. ... (Read 40 times)

big1devin

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Today, the U.S. imports about what percentage of the oil it uses?
 a. 10 b. 25 c. 40 d. 60 e. 80

Question 2

A 50-gram superball traveling at 25.0 m/s is bounced off a brick wall and rebounds at 22.0 m/s. A high-speed camera records this event. If the ball is in contact with the wall for 3.50 ms, what is the average acceleration of the ball during this time interval?



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ebenov

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Answer to Question 1

d

Answer to Question 2

13 400 m/s2



big1devin

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Both answers were spot on, thank you once again



ebenov

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