I need help with part a to this question
...
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30
The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:00
Apiling for a high-rise building is pushed by two bulldozers at exactly the same time. one bulldozer exerts a force of 1250 pounds in a westerly direction. the other bulldozer pushes the piling with a force of 2650 pounds in a northerly direction. what is the direction of the resulting force upon the piling, to the nearest degree? a. 65 n of w b. 25 n of w c. 45 n of w d. 35 n of w
Answers: 1
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
You know the right answer?
Questions
![question](/tpl/images/cats/mkx.png)
Arts, 28.07.2019 01:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mkx.png)
Arts, 28.07.2019 01:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 28.07.2019 01:30
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 28.07.2019 01:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 28.07.2019 01:30
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 28.07.2019 01:30