Abird flies from its nest and lands in a tree that is 2400m due west. if the bird can fly at an average velocity of 9.0m/s, for how long, in seconds, is the bird in flight?

By what primary heat transfer mechanism does the sun warm the earth?

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?

Amaterial that provides resistance to the flow of electric current is called a(an) (1 points)