When an iron nail has a coil of wire placed around it that has a current flowing through it from a battery, it causes a magnetic field.
A chemical
B nuclear
C mechanical
D light

Explain vector addition, triangle method and parallelogram method

Select all of the following that are equal to an impulse of 20 unitsa) force= 5, time= 5.5b) force= 25, time= 0.8c) force= 0.1, time= 200d) force= 10, time= 2(its b, c, and d)(also in order to find answer they have to add to get the unit)ex= 25x.8=20 or .1x200=20

When electrons are added to the outermost shell of a carbon atom, it forms--an anion that has a larger anion that has a smaller cation that has a larger cation that has a smaller radius.