A spherical boulder of mass 16.0 kg and radius 16.0 cm rolls down a hill 14.0 m high from rest. What is its angular momentum when it is half way down the hill

How many atoms of nitrogen are in the chemical formula ni(w on

What will happen in a hybrid vehicle if current flow becomes too high due to a short?

When a lead acid car battery is recharged by the alternator, it acts essentially as an electrolytic cell in which solid lead(ii) sulfate is reduced to lead at the cathode and oxidized to solid lead(ii) oxide at the anode. suppose a current of is fed into a car battery for seconds. calculate the mass of lead deposited on the cathode of the battery.