2 Points
If you want to lift a 20-kg box off the floor to a height of 0.5 meters, how much
wo...
![subject](/tpl/images/cats/fizika.png)
Physics, 06.06.2020 19:58 AshlynPlayz45
2 Points
If you want to lift a 20-kg box off the floor to a height of 0.5 meters, how much
work will it take?
O A. 40 J
OB. 980J
C. 98 J
D. 10 J
![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 16:30
In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 17:20
The magnitude of the magnetic field at a certain distance from a long, straight conductor is represented by b. what is the magnitude of the magnetic field at twice the distance from the conductor? a. at twice the distance, the magnitude of the field is 4b.b. at twice the distance, the magnitude of the field is 2b.c. at twice the distance, the magnitude of the field is b/2.d. at twice the distance, the magnitude of the field is b/4.e. at twice the distance, the magnitude of the field remains equal to b.
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 20:30
Ascientist notices that an oil slick floating on water when viewed from above has many different colors reflecting off the surface, making it look rainbow-like (an effect known as iridescence). she aims a spectrometer at a particular spot and measures the wavelength to be 750 nm (in air). the index of refraction of water is 1.3
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 00:00
What is the difference between mass density and weight density?
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 11.11.2021 14:00
![question](/tpl/images/cats/en.png)
English, 11.11.2021 14:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 11.11.2021 14:00
![question](/tpl/images/cats/himiya.png)
Chemistry, 11.11.2021 14:00
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 11.11.2021 14:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 11.11.2021 14:00
![question](/tpl/images/cats/istoriya.png)
History, 11.11.2021 14:00
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 11.11.2021 14:00
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 11.11.2021 14:00
![question](/tpl/images/cats/en.png)