HELP PLZ Calculate the resistivity of a metal of length 2m at 20°C having the resistance

of 20 ohm and diameter 0.3mm?​

Which two objects have the greatest gravitational force acting between them

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

How are the crust and the inner core alike? a) they are both solid. b) they both have the same temperature. c) they are both under the same pressure. d) they are both very close to the center of the earth.