You push a 10 newton boxes for 10 meters how much work was done on the box

Why are nonmetals more likely to react with eachother by sharing electrons

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.

Derive the formula 2as=v² -u² where the formula have have usual meanings