Un corp de masse 3 kg repose sur le sol. La surface de contact avec le sol est egale à 550 cm .Calculez la pression exercée sur le sol​

On your wedding day your lover gives you a gold ring of mass 3.67 g. 48 years later its mass is 3.44 g. on the average how many atoms were abrated from the ring during each second of your marriage? the atomic mass of gold is 197 u. don't enter units

Acamcorder has a power rating of 20 watts. if the output voltage from its battery is 9 volts, what current does it use?

Ais not a mixture. colloid compound suspension solution