![subject](/tpl/images/cats/mat.png)
Mathematics, 17.06.2020 17:57 Jimenezmiranda
The equation r(t) = sin(4t)i + cos(4t)j, 0t≥0 describes the motion of a particle moving along the unit circle. Answer the following questions about the behavior of the particle.
a. Does the particle have constant speed? If so, what is its constant speed?
b. Is the particle's acceleration vector always orthogonal to its velocity vector?
c. Does the particle move clockwise or counterclockwise around the circle?
d. Does the particle begin at the point (1,0)?
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:50
The parabola opens: y=√x-4 (principal square root) up down right left
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:30
Having a hard time understanding this question (see attachment).
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:30
What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove
Answers: 1
![question](/tpl/images/cats/mat.png)
You know the right answer?
The equation r(t) = sin(4t)i + cos(4t)j, 0t≥0 describes the motion of a particle moving along the un...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 17.12.2021 01:30
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 17.12.2021 01:30
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)
Business, 17.12.2021 01:30
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 17.12.2021 01:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 17.12.2021 01:30
![question](/tpl/images/cats/mat.png)