A plane begins its takeoff at 2:00 p.m. on a 2490-mile flight. After 5.1 hours, the plane arrives at its destination. Explain why there are at least two times during the flight when the speed of the plane is 100 miles per hour. STEP 1: Let S(t) be the position of the plane. Let t = 0 correspond to 2 p.m., and fill in the following values. S(0) = 0 5.1 = 2490 STEP 2: The Mean Value Theorem says that there exists a time to, 0 < to < 5.1 , such that the following is true. (Round your answer te two decimal places.) 2490 - 0 S (to) = v(to) = 5.1 488.24 STEP 3: Now v(0) = 19.6 , and v(5.1) = 94.9 and since v(to) = 488.24 we have 0 < 100 < v(to). Thus, we can apply the į to see that there are at least two times during the flight Intermediate Value Theorem to the velocity function on the intervals [0, to] and [to, 5.1 when the speed was 100 miles per hour.
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![A plane begins its takeoff at 2:00 p.m. on a 2490-mile flight. After 5.1 hours, the plane arrives at its destination. Explain why there are at least two times during the flight
when the speed of the plane is 100 miles per hour.
STEP 1: Let S(t) be the position of the plane. Let t = 0 correspond to 2 p.m., and fill in the following values.
S(0) = 0
s( 5.1
= 2490
STEP 2: The Mean Value Theorem says that there exists a time to, 0
< to < 5.1
, such that the following is true. (Round your answer to
two decimal places.)
2490 - 0
S (to) = v(to) =
5.1
488.24
-0
STEP 3: Now v(0) = 19.6
and v(5.1) = 94.9
and since v(to) = 488.24
we have 0 < 100 < v(to). Thus, we can apply the
i to see that there are at least two times during the flight
Intermediate Value Theorem to the velocity function on the intervals [0, to] and [to, 5.1
when the speed was 100 miles per hour.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd4632363-a1a4-444e-9325-718a15302804%2Fe51b7ec8-cecb-4d84-9d8c-103e236a2510%2F645f3z_processed.jpeg&w=3840&q=75)

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