You drop a ball from a height of 1.8 m, and it bounces back to a height of 1.2 m Part A What fraction of its initial energy is lost during the bounce? Express your answer using two significant figures.
You drop a ball from a height of 1.8 m, and it bounces back to a height of 1.2 m Part A What fraction of its initial energy is lost during the bounce? Express your answer using two significant figures.
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![Item 1
1 of 7
You drop a ball from a height of 1.8 m, and it
bounces back to a height of 1.2 m
Part A
What fraction of its initial energy is lost during the bounce?
Express your answer using two significant figures.
Elost/Enitial =
Submit
Request Answer
Part B
What is the ball's speed just before the bounce?
Express your answer to two significant figures and include the appropriate units.
HA
圖] ?
Vbefore =
Value
Units](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7d54ff3d-4e3f-42d8-969d-b4ebadcf183b%2F4ec97cda-34bb-4d1a-a010-ab94e2431fd8%2F6vkc5wj_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Item 1
1 of 7
You drop a ball from a height of 1.8 m, and it
bounces back to a height of 1.2 m
Part A
What fraction of its initial energy is lost during the bounce?
Express your answer using two significant figures.
Elost/Enitial =
Submit
Request Answer
Part B
What is the ball's speed just before the bounce?
Express your answer to two significant figures and include the appropriate units.
HA
圖] ?
Vbefore =
Value
Units
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