You're using a wedge to split a log. you are hitting the wedge with a large hammer to drive it into the log. it takes a force of 1900 n to push the wedge into the wood. if the wedge moves 0.23 m into the log, how much work have you done on the wedge?

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

Most of the volume of an atom is occupied by the

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?