A 0.111 kg hockey puck moving at 55 m/s is caught by a 80. kg goalie at rest who then slides on the ice at 0.076 m/s. what was the initial velocity of the hockey puck

When a neutral charge, comes into contact with a positive charge they repel each other nothing happens the neutral charge becomes negative they attract each other

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?

(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