PLEASE HELP ASAP Which changes would cause an increase in the resistance of a wire? Check all that apply.

-increasing its temperature
-decreasing its temperature
-using a longer wire
-using a shorter wire
-using a thicker wire
-using a thinner wire

Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?