Math 1325 34209 Fall 2017 Tachina Cunga Quiz Quiz2113 Submit

Math 1325 34209 Fall 2017 Tachina Cunga Quiz: Quiz2(11.3) Submit Qu This Question: 1 pt 4 of 20 (1 6 complete) This Quiz: 20 pts possi An object dropped from rest from the top of a tall building on Planet X falls a distance s t = 16f feet in the first t seconds. Find the average speed of the object during the first 7 seconds of fall. feet The average speed of the object during the first 7 seconds of the fall ise (Simplify your answer.)

Solution

s(t) = 16t^2

avearge speed = ds / dt = 32t

avearage speed during first 7 seconds = 32 (7)

average speed = 224 feet / sec