![subject](/tpl/images/cats/fizika.png)
Physics, 10.03.2020 23:03 abigailjackson
What is the machanical advantage of a machince and explain why the efficency of a machine can't be 100%
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 06:00
Using a pedometer, you walk 3000 steps in 20 minutes, so your speed is 150 steps/min. each of your steps is 0.7 m long. what is your speed? 150 steps/min=/s=/h
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 14:00
If element x has 99 protons how many electrons does it have
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 16:00
Suppose a soccer ball is kicked from the ground at an angle 20.0º above the horizontal at 8.00 m/s. the y-velocity is determined to be 2.74 m/s. how long will the ball be in the air? assume the ball lands at the same height at which it was kicked.
Answers: 2
![question](/tpl/images/cats/fizika.png)
You know the right answer?
What is the machanical advantage of a machince and explain why the efficency of a machine can't be 1...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 18.11.2020 18:20
![question](/tpl/images/cats/mat.png)
Mathematics, 18.11.2020 18:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/en.png)
English, 18.11.2020 18:20
![question](/tpl/images/cats/mat.png)
Mathematics, 18.11.2020 18:20
![question](/tpl/images/cats/en.png)
English, 18.11.2020 18:20
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 18.11.2020 18:20
![question](/tpl/images/cats/fizika.png)
Physics, 18.11.2020 18:20
![question](/tpl/images/cats/mat.png)
Mathematics, 18.11.2020 18:20
![question](/tpl/images/cats/ekonomika.png)
Business, 18.11.2020 18:20
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 18.11.2020 18:20
![question](/tpl/images/cats/health.png)
Health, 18.11.2020 18:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 18.11.2020 18:20
![question](/tpl/images/cats/mat.png)
Mathematics, 18.11.2020 18:20