What is the net work done on the 20kg block while it moves the 4 meters?
A. 240J
B. -200...
![Physics](/tpl/images/cats/fizika.png)
Physics, 12.02.2020 06:29, treaustin6978
What is the net work done on the 20kg block while it moves the 4 meters?
A. 240J
B. -200J
C. 120J
D. 0J
![answer](/tpl/images/cats/otvet.png)
Answers: 1
Other questions on the subject: Physics
![image](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 10:00, jeffffffff
**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z
Answers: 1
![image](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 00:10, alisonnn101
During cooling, the kinetic energy of the molecules falls. why does this happen? a. the motion of the molecules increases. b. the motion of the molecules slows down. c. the van der waals forces between molecules decrease d. the forces of attraction between the molecules are overcome.
Answers: 2
![image](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 09:50, gdominguez2005
James joule carefully measured the difference in temperature of the water at the top and bottom of a waterfall. why did he expect a difference
Answers: 3
Do you know the correct answer?
Questions in other subjects:
![Konu](/tpl/images/cats/health.png)
![Konu](/tpl/images/cats/biologiya.png)
Biology, 21.07.2020 09:01
![Konu](/tpl/images/cats/mat.png)
Mathematics, 21.07.2020 09:01
![Konu](/tpl/images/cats/mat.png)
Mathematics, 21.07.2020 09:01
![Konu](/tpl/images/cats/biologiya.png)
Biology, 21.07.2020 09:01
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 21.07.2020 09:01
![Konu](/tpl/images/cats/obshestvoznanie.png)
![Konu](/tpl/images/cats/fizika.png)
![Konu](/tpl/images/cats/health.png)
Health, 21.07.2020 09:01