ow much energy is necessary to place three charges, each of 2.0 C, at the corners of an equilateral triangle of side 2.0 cm

How much work would a child do while puling a 12-kg wagon a distance of 3m with a 22 n force directed 30 degrees with respect to the horizontal? (a) 82j (b) 52j (c) 109j (d) 95j

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

What are chlorofluorocarbons and what impact do they have on the atmosphere?