when is the particle speeding up? When is the particle slowing down? Answer in interval notation.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.3: The Natural Exponential Function
Problem 44E
Question
H) when is the particle speeding up? When is the particle slowing down? Answer in interval notation.
A graphing calculator is recommended.
A particle moves according to a law of motion s = f(t), t > 0, where t is measured in seconds and s in feet. (If an answer does not exist, enter DNE.)
f(t) = t - 9t2 + 24t
(a) Find the velocity (in ft/s) at time t.
v(t) =
31 - 18t + 24
ft/s
(b) What is the velocity (in ft/s) after 1 second?
v(1)I= 11
ft/s
(c) When is the particle at rest? (Enter your answers as a comma-separated list.)
t = 0
(d) When is the particle moving in the positive direction? (Enter your answer using interval notation.)
-10
(e) Draw a diagram to illustrate the motion of the particle and use it to find the total distance (in ft) traveled during the first 6 seconds.
Transcribed Image Text:A graphing calculator is recommended. A particle moves according to a law of motion s = f(t), t > 0, where t is measured in seconds and s in feet. (If an answer does not exist, enter DNE.) f(t) = t - 9t2 + 24t (a) Find the velocity (in ft/s) at time t. v(t) = 31 - 18t + 24 ft/s (b) What is the velocity (in ft/s) after 1 second? v(1)I= 11 ft/s (c) When is the particle at rest? (Enter your answers as a comma-separated list.) t = 0 (d) When is the particle moving in the positive direction? (Enter your answer using interval notation.) -10 (e) Draw a diagram to illustrate the motion of the particle and use it to find the total distance (in ft) traveled during the first 6 seconds.
(e) Draw a diagram to illustrate the motion of the particle and use it to find the total distance (in ft) traveled during the first 6 seconds.
ft
(f) Find the acceleration (in ft/s) at time t.
a(t) =
ft/s?
Find the acceleration (in ft/s) after 1 second.
a(1) =
ft/s2
(g) Graph the position, velocity, and acceleration functions for 0 sts6.
30
30
20
20
10
10
Transcribed Image Text:(e) Draw a diagram to illustrate the motion of the particle and use it to find the total distance (in ft) traveled during the first 6 seconds. ft (f) Find the acceleration (in ft/s) at time t. a(t) = ft/s? Find the acceleration (in ft/s) after 1 second. a(1) = ft/s2 (g) Graph the position, velocity, and acceleration functions for 0 sts6. 30 30 20 20 10 10
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