![subject](/tpl/images/cats/fizika.png)
A 500-kg roller coaster car travels with some initial velocity along a track that is 5 m above the ground. The car goes down a small hill and then coasts back up a higher hill. The second hill is 12 m above the ground. What must the initial velocity of the car be for the car to be going 3 m/s at the top of the second hill?
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 02:10
How many hydrogen (h) atoms are in one molecule of sulfuric acid, h2so4? (1 points) 1 2 4 7
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 10:30
In science and physics what is the standard unit of measure for speed?
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 12:30
Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excited‑state hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 17:40
Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?
Answers: 1
You know the right answer?
A 500-kg roller coaster car travels with some initial velocity along a track that is 5 m above the g...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 27.01.2021 20:50
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 27.01.2021 20:50
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 27.01.2021 20:50
![question](/tpl/images/cats/fr.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 27.01.2021 20:50
![question](/tpl/images/cats/himiya.png)
Chemistry, 27.01.2021 20:50
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 27.01.2021 20:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 27.01.2021 20:50
![question](/tpl/images/cats/mat.png)
Mathematics, 27.01.2021 20:50