Spiderman has a mass of 80 kg. He knows his webbing will break if it is exposed to a 200 N force. What is the maximum height he can swing off of? You can assume aerodynamic forces prevent Spiderman from travelling greater than 30 m/s.

This depends on the writers

if they want they can make spiderman deny the laws of nature

explanation:

the masses of the objects and the distance between them

iron would move it is magnetic there is a mag field around the current in the wire