Math Problem Statement
The position x of a bowling ball rolling on a smooth floor as a function of time t is given by: x(t)=v0t+x0 , where v0=2.5m/s and x0=−5.0m . The polynomial relationship between position and time for the bowling ball is _______________. View Available Hint(s)for Part A
exponential cubic linear inverse quadratic Previous Answers Correct A linear function is of the form y=mx+b where m and b are constants. Note that for a linear function written in this form, that is the highest power of the independent variable x in the polynomial expression for the dependent variable y is 1. In a linear function the constant m is called the slope, and the constant b is called the y -intercept. Part B Part complete Using this relationship, what is the position of the bowling ball at times t=4.0s and t=8.0s ? View Available Hint(s)for Part B
x(4.0s)=10m and x(8.0s)=20m
x(4.0s)=5.0m and x(8.0s)=15m
x(4.0s)=15m and x(8.0s)=25m
x(4.0s)=−17.5m and x(8.0s)=−37.5m
Previous Answers Correct Evaluation of a function at specific values of the independent variable provides the coordinates of specific points in a graph of the function. Part C From the coordinates obtained in Part B, find the slope of the position-time relationship for the bowling ball using the "rise over run" algortithm. View Available Hint(s)for Part C
What is the derivative with respect to time
dx
dt
d
x
d
t
of the bowling ball's position-time relationship
(x(t)=
v
0
t+
x
0
(
x
(
t
)
=
v
0
t
x
0
, where
v
0
=2.5m/s
v
0
=
2.5
m
/
s
and
x
0
=−5.0m)
x
0
=
−
5.0
m
)
?
−2.5m
−
2.5
m
0.0m/s
0.0
m
/
s
2.5m/s
2.5
m
/
s
−5.0m
−
5.0
m
Solution
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Math Problem Analysis
Mathematical Concepts
Linear Functions
Formulas
Position-time relationship: x(t) = v0 * t + x0
Theorems
-
Suitable Grade Level
Grades 9-12
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