The Height of an Object T Seconds After It Is $s ( t ) = - 4.9 t ^ { 2 } + 550$

question 59

Multiple Choice

The height of an object t seconds after it is dropped from a height of 550 meters is $s ( t ) = - 4.9 t ^ { 2 } + 550$ . Find the average velocity of the object during the first 7 seconds.

• A) \(\quad 34.30 \mathrm {~m} / \mathrm { sec }\)
• B) \(- 34.30 \mathrm {~m} / \mathrm { sec }\)
• C) \(- 49.00 \mathrm {~m} / \mathrm { sec }\)
• D) \(49 \mathrm {~m} / \mathrm { sec }\)
• E) \(- 16.00 \mathrm {~m} / \mathrm { sec }\)

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