O wood
![subject](/tpl/images/cats/fizika.png)
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 05:50
Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 06:10
Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 19:30
Which type of energy would have nothing to do with ironing clothes? a. heat b. chemical c. electrical d. mechanical
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 20:10
Consider two less-than-desirable options. in the first you are driving 30 mph and crash head-on into an identical car also going 30 mph. in the second option you are driving 30 mph and crash head-on into a stationary brick wall. in neither case does your car bounce off the thing it hits, and the collision time is the same in both cases. which of these two situations would result in the greatest impact force?
Answers: 1
You know the right answer?
Which is a primary energy source used by power plants to generate electricity?
coal
O wood
O wood
Questions
![question](/tpl/images/cats/istoriya.png)
History, 07.12.2019 12:31
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 07.12.2019 12:31
![question](/tpl/images/cats/geografiya.png)
Geography, 07.12.2019 12:31
![question](/tpl/images/cats/mat.png)
Mathematics, 07.12.2019 12:31
![question](/tpl/images/cats/mat.png)
Mathematics, 07.12.2019 12:31
![question](/tpl/images/cats/geografiya.png)
Geography, 07.12.2019 12:31
![question](/tpl/images/cats/en.png)
English, 07.12.2019 12:31
![question](/tpl/images/cats/health.png)
Health, 07.12.2019 12:31
![question](/tpl/images/cats/mat.png)
Mathematics, 07.12.2019 12:31
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 07.12.2019 12:31
![question](/tpl/images/cats/mat.png)
Mathematics, 07.12.2019 12:31
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 07.12.2019 12:31