4. An object's position is described by the following polynomial for 0 to 10 s. S = 2 t^4 - 4 t^3 - 12 t^2 Where s is in meters, t is in seconds , and positive is forward. a. The object's velocity function is b. The objects velocity when t 5

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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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4. An object's position is described
by the following polynomial for 0 to
10 s.
S = 2 t^4 - 4 t^3 - 12 t^2
Where s is in meters , t is in
seconds , and positive is forward.
a. The object's velocity function is
b. The objects velocity when t = 5
is
m/s
c The object's acceleration function
is
d. The object's acceleration t= 8 is
m/s^2
e. The object's velocity when t =8
is
m/s
f. Time when the object changes
direction is
2 places
g. Point at which the object
changes direction is
round off to nearest ones)
Transcribed Image Text:8:24 01:29:22 Remaining 4. An object's position is described by the following polynomial for 0 to 10 s. S = 2 t^4 - 4 t^3 - 12 t^2 Where s is in meters , t is in seconds , and positive is forward. a. The object's velocity function is b. The objects velocity when t = 5 is m/s c The object's acceleration function is d. The object's acceleration t= 8 is m/s^2 e. The object's velocity when t =8 is m/s f. Time when the object changes direction is 2 places g. Point at which the object changes direction is round off to nearest ones)
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