Recent content by william313

  1. W

    What is the initial length of rods A and B in rod C?

    ^^ thanks. I haven't done 2 equations with two unknowns before. Can you show me how to do that?
  2. W

    What is the initial length of rods A and B in rod C?

    bump.. is the length of the post scaring people?? :( :(
  3. W

    What is the initial length of rods A and B in rod C?

    Hello. I have this easy question in linear expansion. Yeah, it's easy but I am really dumb in physics. Please help.. Homework Statement Rod A which is 30 cm long, expands by 0.045 cm when heated from 0 degrees Celsius to 100 degrees Celsius. Rob B also 30 cm long expands by 0.075 cm for the...