A certain motor uses 1300J of energy to raise a 30kg mass to a height 2.4 meters above where it started.
a) How much potential energy does the mass gain during the lift b) calculate the efficiency of this motor

The government has declared that a hurricane is likely to hit the east coast. which government division is part of acf and provides guidance to citizens? a. job opportunities for low-income individuals b. office of human services emergency preparedness and response c. assets for independence d. low-income home energy assistance program

Avoltaic cell converts chemical energy to

Because atoms of elements in the same group of thbecause atoms of elements in the same group of the periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t fe periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t f