Question

Mandy works construction. She knows that a 5 meter long metal bar has a mass of 40 kg. Mandy wants to figure out the mass of a bar made out of the same metal that is 10 meters long and the same thickness.
What is the mass of the longer bar?​

Answer 1

Step-by-step explanation:

it is given in the question that a metal bar was 5 meter long and has a mass of 40 kg. Mandy makes a bar again by using same metal of length 3 meters and mass w. Since metal of the rods are same so weight per meter of the rod will be same. 40/5 = w/3 is the proportion Mandy will use

please mark the Brianlist

Answer 2

Answer:

80kg

this is your answer

thanks