In a balanced chemical reaction, the total mass of the products always equals the a. molar mass of the reactants.
c. total mass of the reactants.
b. atomic mass of the reactants.
d. proportional masses of the reactants.

Aray of light traveling parallel to the principal axis of a concave mirror will be reflected through the mirror's

The speed of light can be used to measure the

)consider two positively charged particles, one of charge q0 (particle 0) fixed at the origin, and another of charge q1 (particle 1) fixed on the y-axis at (0,d1,0). what is the net force f⃗ on particle 0 due to particle 1?