If a 0.35kg bullet made a 1.5kg block swing to change its height 0.3 Meters. How fast was the bullet traveling? ___ m/s (Round to the tenths)

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.