![subject](/tpl/images/cats/fizika.png)
Physics, 07.01.2020 23:31 minecraftplayeovohl1
The function
s
(
t
)
describes the motion of a particle along a line:
s
(
t
)
=
18
t
−
t
2
.
a) find the velocity function
v
(
t
)
of the particle at any time
t
≥
0.
b) identify the time interval in which the particle is moving in a positive direction.
c) identify the time interval in which the particle is moving in a negative direction.
d) identify the time at which the particle changes direction.
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 16:00
At what time will the interfering waves have an amplitudeof zero?
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 22:00
Use 4 to 5 complete sentences, explain the concepts of beats and how beats are produces.
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 03:40
What does every magnet possess? a. iron metal b.strong magnetic field c.repulsion d.north and south poles
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 05:40
Which of the following can enter and exit a closed system? a. matter and energy b. neither energy nor matter c. matter but not energy d. enrgy but not matter
Answers: 1
You know the right answer?
The function
s
(
t
)
describes the motion of a particle along a line:...
s
(
t
)
describes the motion of a particle along a line:...
Questions
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 12.08.2020 04:01
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/fizika.png)
Physics, 12.08.2020 04:01
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.08.2020 04:01
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/istoriya.png)
History, 12.08.2020 04:01
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 12.08.2020 04:01