A pilot is training in a centrifuge to experience g-force. The cabin, where the 75-kg subject sits, is 22 meters from the axis of rotation. What is the
circumference of the circle where the subject will spin?
Answer as a number rounded to the ones place, space, SI unit.
Your answer

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?