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A parachutist jumped from an airplane at an elevation of 11,880 feet above the ground.

After 9 seconds, the total change in elevation was –643.5 feet. What was the average change in elevation per second at this point?


71.5 feet

–7.15 feet

–71.5 feet

7.15 feet

User M Hamza Javed
by
2.5k points

2 Answers

12 votes
12 votes

Answer/Step-by-step explanation:

After 9 seconds, the total change in elevation was –643.5 feet. What was the average change in elevation per second at this point?

71.5 feet

–7.15 feet

–71.5 feet

7.15 feetAfter 9 seconds, the total change in elevation was –643.5 feet. What was the average change in elevation per second at this point?

71.5 feet

–7.15 feet

–71.5 feet

7.15 feetAfter 9 seconds, the total change in elevation was –643.5 feet. What was the average change in elevation per second at this point?

71.5 feet

–7.15 feet

–71.5 feet7.15 feetAfter 9 seconds, the total change in elevation was –643.5 feet. What was the average change in elevation per second at this point?

71.5 feet

–7.15 feet

–71.5 feet

7.15 feetAfter 9 seconds, the total change in elevation was –643.5 feet. What was the average change in elevation per second at this point?

71.5 feet

–7.15 feet

–71.5 feet

7.15 feetAfter 9 seconds, the total change in elevation was –643.5 feet. What was the average change in elevation per second at this point?

71.5 feet

–7.15 feet

–71.5 feet

7.15 feetAfter 9 seconds, the total change in elevation was –643.5 feet. What was the average change in elevation per second at this point?

71.5 feet

–7.15 feet

–71.5 feet

7.15 feetAfter 9 seconds, the total change in elevation was –643.5 feet. What was the average change in elevation per second at this point?

71.5 feet

–7.15 feet

–71.5 feet

7.15 feetAfter 9 seconds, the total change in elevation was –643.5 feet. What was the average change in elevation per second at this point?

71.5 feet

–7.15 feet

–71.5 feet

7.15 feetAfter 9 seconds, the total change in elevation was –643.5 feet. What was the average change in elevation per second at this point?

71.5 feet

–7.15 feet

–71.5 feet

7.15 feetAfter 9 seconds, the total change in elevation was –643.5 feet. What was the average change in elevation per second at this point?

71.5 feet

–7.15 feet

–71.5 feet

7.15 feet

User Kimona
by
2.9k points
15 votes
15 votes

Answer:

[C] -71.5 feet

Explanation:

To find the Answer you have to divide as well as change in elevation being a negative value when multiplying.

Thus, Answer is [C] -71.5 feet

{RevyBreeze}

User Amit Ray
by
3.1k points