In an 8 second test run, a vehicle accelerates for several seconds and then decelerates The function s(t) gives the number of feet traveled after t seconds and is graphed in Fig 9 (a) How far has the vehicle traveled after 3 5 seconds (b) What is the velocity after 2 seconds (c) What is the acceleration after 1 second (d) When will the vehicle have traveled 120 feet (e) When, during the second part of the test run, will the vehicle be traveling at the rate of 20 feet per second (f) What is the greatest velocity At what time is this greatest velocity reached How far has the vehicle traveled at this time Feet y 100 50 1 2 y s(t) 3 4 5 Time (seconds) E 6 7

Question: In an 8-second test run, a vehicle accelerates for several seconds and then decelerates. The function s(t) gives the number of feet traveled after t

In an 8-second test run, a vehicle accelerates for several seconds and then decelerates. The function s(t) gives the number of feet traveled after t seconds and is graphed in Fig. 9.

(a) How far has the vehicle traveled after 3.5 seconds?

(b) What is the velocity after 2 seconds?

(d) When will the vehicle have traveled 120 feet?

(e) When, during the second part of the test run, will the vehicle be traveling at the rate of 20 feet per second?

(f) What is the greatest velocity? At what time is this greatest velocity reached? How far has the vehicle traveled at this time? Feet y 100 50 1 2 y = s(t) * 3 4

5 Time (seconds) E 6 7

Feet y 100 50 1 2 y = s(t) * 3 4 5 Time (seconds) E 6 7

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