dos masas de 8 kg estan unidas en el extremo de una varilla de aluminio de 400 mm de longitud. la varilla esta sostenida en su parte media, gira en circulos y solo puede soportar una tension maxima de 800 N ¿cual es la frecuencia maxima de revolucion?

If you place a magnet under a clear dish, and sprinkle iron fillings over it, above what part of the magnet will most of the fillings gather

What types of radiation make up the electromagnetic spectrum?

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.