How is velocity different than speed? A. Velocity measures just direction and speed measures how far something moves in a certain amount of time

B. Velocity and speed are the same thing.

C . Velocity and speed measure the how far something moves in a certain amount of time but velocity also includes DIRECTION.

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?