Position from velocity Consider an object moving along a line with the given velocity v and initial position a. Determine the position function, for t ≥ 0, using the antiderivative method b. Determine the position function, for t ≥ 0, using the Fundamental Theorem of Calculus ( Theorem 6.1 ). Check for agreement with the answer to part (a). 22. v ( t ) = 1 t + 1 on [ 0 , 8 ] ; s ( 0 ) = − 4
Position from velocity Consider an object moving along a line with the given velocity v and initial position a. Determine the position function, for t ≥ 0, using the antiderivative method b. Determine the position function, for t ≥ 0, using the Fundamental Theorem of Calculus ( Theorem 6.1 ). Check for agreement with the answer to part (a). 22. v ( t ) = 1 t + 1 on [ 0 , 8 ] ; s ( 0 ) = − 4
Solution Summary: The author explains the position function of an object by anti-derivative method and the fundamental theorem of calculus.
Position from velocity Consider an object moving along a line with the given velocity v and initial position
a. Determine the position function, for t ≥ 0, using the antiderivative method
b. Determine the position function, for t ≥ 0, using the Fundamental Theorem of Calculus (Theorem 6.1). Check for agreement with the answer to part (a).
22.
v
(
t
)
=
1
t
+
1
on
[
0
,
8
]
;
s
(
0
)
=
−
4
Evaluate the integral using integration by parts.
Sx² cos
(9x) dx
Let f be defined as follows.
y = f(x) = x² - 5x
(a) Find the average rate of change of y with respect to x in the following intervals.
from x = 4 to x = 5
from x = 4 to x = 4.5
from x = 4 to x = 4.1
(b) Find the (instantaneous) rate of change of y at x = 4.
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Velocity of a Ball Thrown into the Air The position function of an object moving along a straight line is given by s = f(t). The average velocity of
the object over the time interval [a, b] is the average rate of change of f over [a, b]; its (instantaneous) velocity at t = a is the rate of change of f at a.
A ball is thrown straight up with an initial velocity of 128 ft/sec, so that its height (in feet) after t sec is given by s = f(t) = 128t - 16t².
(a) What is the average velocity of the ball over the following time intervals?
[3,4]
[3, 3.5]
[3, 3.1]
ft/sec
ft/sec
ft/sec
(b) What is the instantaneous velocity at time t = 3?
ft/sec
(c) What is the instantaneous velocity at time t = 7?
ft/sec
Is the ball rising or falling at this time?
O rising
falling
(d) When will the ball hit the ground?
t =
sec
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University Calculus: Early Transcendentals (4th Edition)
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