Which hand is negatively charged?

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?

The ph is the a.independent variable b.the dependent variable c.control group

Currents in dc transmission lines can be 100 a or higher. some people are concerned that the electromagnetic fields from such lines near their homes could pose health dangers. for a line that has current 150 a and a height of 8.0 m above the ground, what magnetic field does the line produce at ground level? express your answer in teslas and as a percentage of the earth’s magnetic field, which is 0.50 g. is this value cause for worry?