Please help need the answer soon! Particles q1, q2, and q3 are in a straight line q1 = -28.1 what is the net force on q3

The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.

(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present

Which additional product balances the reaction h2so4 + 2naoh → na2so4 + 2h2o 2oh h2o2 h3o