A bird stands on an electric transmission line carrying 1800 A. The line has x 2.0exp-100 resistance per metre and the bird's feet are 3.0 cm apart. What voltage does the bird experience?

When you drop a pebble from height a it reaches the ground with speed v if there is no air resistance. from what height should you drop it so it will reach the ground with three times the speed? (a) 9m (b) 3m (c) 6m (d) 18m

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

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2