![subject](/tpl/images/cats/fizika.png)
Physics, 26.10.2019 05:43 walmartislife
4of 5 constants there are two categories of ultraviolet light. ultraviolet a (uva) has a wavelength ranging from 320 nm to 400 nm. it is necessary for the production of vitamin d. uvb, with a wavelength in vacuum between 280 nm and 320 nm, is more dangerous because it is much more likely to cause skin cancer. find the frequency ranges of uva.
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 04:00
Determine the maximum r-value of the polar equation r =3+3 cos 0
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 13:30
Select the three ways that the parallel-plate capacitor differs from a car battery.
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 01:50
An electron moving at 5.06 103 m/s in a 1.23 t magnetic field experiences a magnetic force of 1.40 10-16 n. what angle does the velocity of the electron make with the magnetic field? there are two answers between 0° and 180°. (enter your answers from smallest to largest.)
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 02:00
Farmer a has a deep well and needs a lot of water for her animals and crops. her neighbor, farmer b, has a shallower well. he needs less water than farmer a because his farm is smaller. in years of drought, sometimes farmer b can't get any water from his wells. what can farmer b do to decrease the likelihood of his well running dry?
Answers: 3
You know the right answer?
4of 5 constants there are two categories of ultraviolet light. ultraviolet a (uva) has a wavelength...
Questions
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 23.07.2021 05:40
![question](/tpl/images/cats/mat.png)
Mathematics, 23.07.2021 05:40
![question](/tpl/images/cats/mat.png)
Mathematics, 23.07.2021 05:40
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 23.07.2021 05:40
![question](/tpl/images/cats/mat.png)
Mathematics, 23.07.2021 05:40
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 23.07.2021 05:40
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fr.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 23.07.2021 05:40
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 23.07.2021 05:40
![question](/tpl/images/cats/mat.png)
Mathematics, 23.07.2021 05:40
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 23.07.2021 05:40
![question](/tpl/images/cats/ekonomika.png)
Business, 23.07.2021 05:40
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 23.07.2021 05:40