Hello,
I suppose N in on the same line as MH
Angles are thus supplementaries
180-143=37°
Answer B
Fives Guys Cheeseburger with Ketchup, Mayo, Grilled Onions, Cheese, and A1 Steak Sauce
Source of magnetic force - Nail
Source electric force - battery cell
<h3>What is an electromagnet?</h3>
We know that the electromagnet is a type of magnet whose magnetic property depends on the interaction of the magnetic material with an electric field. We can see in the image that the nail which serves as the magnetic material is connected to a cell which is the source of the given electric current.
It the follows that the nail above is the source of the magnetic force because the coils of wire while the battery cell is the source of the electrical force.
Learn more about electromagnet:brainly.com/question/3427992
#SPJ1
That depends on the position of the angle, if it's a central angle then the length of arc = 1/4 the circumference
so L = (1/4)(2pi(70))= 110 feet approximately
<span />
There is nothing after the 7 so 1.87 is already to the nearest cent.
