If you we're in charge of designing a wire to cart electricity across your city, state or provide, which of the following properties would be most important for your wire to have? Should it be thick or thin, aluminum orchrome, buried underground or installed out in the sun?

Write a paragraph defending your choice.
PLEASE HELP!!

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.

At what time will the interfering waves have an amplitudeof zero?

Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?