An acorn falls from an oak tree. you note that it
takes 2.5 seconds to hit the ground. h...
![subject](/tpl/images/cats/fizika.png)
Physics, 15.10.2019 03:30 rakanmadi87
An acorn falls from an oak tree. you note that it
takes 2.5 seconds to hit the ground. how fast
was it going when it hit the ground?
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 04:10
Atotal charge of –6.50 µc is uniformly distributed within a sphere that has a radius of 0.150 m. what is the magnitude and direction of the electric field at 0.300 m from the surface of the sphere? a) 2.89 × 105 n/c, radially inward b) 6.49 × 105 n/c, radially outward c) 4.69 × 105 n/c, radially inward d) 9.38 × 105 n/c, radially outward e) 1.30 × 106 n/c, radially inward
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 12:00
The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 08:00
According to piaget’s stages of cognitive development, the child does not differentiate between self and other objects. the child repeats rewarding activities, discovers new ways to get what he or she wants, and may have imaginary friends. which period is described?
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 08:30
What is the electric potential at a distance of 1.2 m from a 7.5 µc point charge? 5.6 × 104 v 8.1 × 104 v 5.6 × 1010 v 8.1 × 1010 v
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 18.04.2020 04:50
![question](/tpl/images/cats/biologiya.png)
Biology, 18.04.2020 04:50
![question](/tpl/images/cats/mat.png)
Mathematics, 18.04.2020 04:50
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 18.04.2020 04:50
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 18.04.2020 04:50
![question](/tpl/images/cats/mat.png)
Mathematics, 18.04.2020 04:50
![question](/tpl/images/cats/mat.png)
Mathematics, 18.04.2020 04:50
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 18.04.2020 04:50
![question](/tpl/images/cats/himiya.png)
Chemistry, 18.04.2020 04:50