In which situation is the object experiencing balanced forces?

Avalue that describes how heavy an object is and is related to the force of gravity is

What is special about a dc circuit ?

Find an expression for the electric field e⃗ at the center of the semicircle. hint: a small piece of arc length δs spans a small angle δθ=δs /r, where r is the radius. express your answer in terms of the variables q, l, unit vectors i^, j^, and appropriate constants.