Q. A certain freely falling object requires 1.10 s to travel the last 32.0 m before it hits the ground. From what height above the ground did it fall?
Q. A strong lightning bolt transfers about 25 C to Earth?
a) how many electrons are transferred?
b) if each water molecule donates one electron, what mass of water lost an electron to the lightning? one mole of water has a mass of 18 g.