Today’s temperature of 42 in Chicago set a record high for the month of August.” Which
temperature scale is being used? What would be the corresponding temperature on the other two
scales?

What causes the formation of ocean currents?

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?

Describe how the motion of a spring being pushed forward and backward is similar to the motion of air particles in a sound wave.