![subject](/tpl/images/cats/fizika.png)
An automobile starter motor draws a current of 1.7 a from a 17.2 v battery when operating at normal speed. a broken pulley locks the armature in position, and the current increases to 12.3 a. what was the back emf of the motor when operating normally? answer in units of v.
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/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 23:00
The roller coaster from problem #1 then tops a second hill at 15.0 m/s, how high is the second hill? 91.5 m 79.2 m 80.0 m 68.5 m
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 21.06.2019 23:30
Acoil formed by wrapping 80 turns of wire in the shape of a square is positioned in a magnetic field so that the normal to the plane of the coil makes an angle of 28.0° with the direction of the field. when the magnetic field is increased uniformly from 200 µt to 600 µt in 0.400 as, an emf of magnitude 80.0 mv is induced in the coil. what is the total length of the wire?
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 15:10
Suppose that f : rn → rm and that a ∈ k, where k is a connected subset of rn . suppose further that for each x ∈ k there exists a δx > 0 such that f(x) = f(y) for all y ∈ bδx (x). prove that f is constant on k; that is, f(x) = f(a) for all x ∈ k
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 01:00
The smallest particle of an element that retains its identity in a chemical reaction. true or false
Answers: 1
You know the right answer?
An automobile starter motor draws a current of 1.7 a from a 17.2 v battery when operating at normal...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 08.10.2019 09:50
![question](/tpl/images/cats/mat.png)
Mathematics, 08.10.2019 09:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 08.10.2019 09:50
![question](/tpl/images/cats/health.png)
Health, 08.10.2019 09:50
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 08.10.2019 09:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 08.10.2019 09:50
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 08.10.2019 09:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 08.10.2019 09:50
![question](/tpl/images/cats/es.png)
Spanish, 08.10.2019 09:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 08.10.2019 09:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 08.10.2019 09:50
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 08.10.2019 09:50