Question

Mandy works construction. She knows that a 55 meter long metal bar has a mass of 40 kg. Mandy wants to figure out the mass (w) of a bar made out of the same metal that is 3 meters long and the same thickness.

What is the mass of the shorter bar?

Answer 1

It should be 24 kg. Hope your able to finish that mastery challenge on Khan academy its is worth it! it is very helpful in the end!