![subject](/tpl/images/cats/fizika.png)
Physics, 23.10.2020 17:10 KennyMckormic
1pt An acrylic rod is charged by friction when rubbed against a silk
cloth. When brought near a piece of polystyrene foam, the foam is
attracted to the rod. Which of the following is the most reasonable
estimate of the amount of charge on the rod?
O A. 1x10-8 C
O B. 1x10-3 C
O c. 10
OD. 100 C
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 21.06.2019 14:10
Amachinist needs to remove a tight fitting pin of material a from a hole in a block made of material b. the machinist heats both the pin and the block to the same high temperature and removes the pin easily. what statement relates the coefficient of thermal expansion of material a to that of material b? a) the situation is not possible, heating block b will shrink the hole in the material as the material expands with increasing temperatureb) material b has the same coefficient of expansion as does material ac) material b has a negative coefficient of expansion and a has a positive coefficient of expansiond) material a has a greater coefficient of expansion than does material be) material b has a greate
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 04:20
Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz. what wavelength is produced?
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 05:30
What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 07:40
Which lists the fundamental forces in order, from strongest to weakest? strong nuclear, weak nuclear, electromagnetic, gravitational strong nuclear, electromagnetic, weak nuclear, gravitational gravitational, weak nuclear, electromagnetic, strong nuclear electromagnetic, gravitational, strong nuclear, weak nuclear
Answers: 2
You know the right answer?
1pt An acrylic rod is charged by friction when rubbed against a silk
cloth. When brought near a pie...
Questions
![question](/tpl/images/cats/istoriya.png)
History, 14.12.2020 21:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 14.12.2020 21:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 14.12.2020 21:30
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 14.12.2020 21:30
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 14.12.2020 21:30
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 14.12.2020 21:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 14.12.2020 21:30