The total energy required to run New York City for a whole year is roughly 7.5 x 10 17 J. If matter could be converted into pure energy, how many kilograms of matter
would be needed to run the whole city for a year?
1. 2.5 x 10^6 kg
2. 02.5 x 10^9 kg
3. 8.3 grams
4. 8.3 kg

Which subatomic particle has a negative charge

Place several e-field sensors at a few points on different equipotential lines, and look at the relationship between the electric field and the equipotential lines. which statement is true? 1-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of higher voltages. 2-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of lower voltages. 3-at any point, the electric field is parallel to the equipotential line at that point.

Aball is thrown horizontally from a cliff at 8m/s .in what direction is the ball moving 2s later?