![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 01:30
Ablock of mass 1.5 kg slides down an inclined plane that has an angle of 15. if the inclined plane has no friction and the block starts at a height of 3 m, how much kinetic energy does the block have when it reaches the bottom? acceleration due to gravity is g = 9.8 m/s2. a. 6.8 j b. 50.9 j c. 0 j d. 44.1 j
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 05:00
Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.
Answers: 1
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 12:10
Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?
Answers: 2
You know the right answer?
Why do we hear explain in concept of waves...
Questions
![question](/tpl/images/cats/en.png)
English, 27.10.2021 14:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 27.10.2021 14:00
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 27.10.2021 14:00
![question](/tpl/images/cats/istoriya.png)
History, 27.10.2021 14:00
![question](/tpl/images/cats/himiya.png)
Chemistry, 27.10.2021 14:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 27.10.2021 14:00
![question](/tpl/images/cats/en.png)
English, 27.10.2021 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 27.10.2021 14:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/es.png)
Spanish, 27.10.2021 14:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 27.10.2021 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 27.10.2021 14:00
![question](/tpl/images/cats/fizika.png)
Physics, 27.10.2021 14:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 27.10.2021 14:00
![question](/tpl/images/cats/istoriya.png)
History, 27.10.2021 14:00