Question

A wire of uniform density and composition weighs 16 kg. it is cut into 2 pieces. One is 30 feet and 12 kg. What is the length of the original piece?​

Answer 1

Answer:

40 ft

Step-by-step explanation:

calculating length to mass ratio comes out to be 2.5.

now if one piece is 12kg then other piece will be 4 kg

multiplying mass by mass to length ratio we get length of second piece to be 2.5*4= 10ft

total length = 30+10= 40 ft

let me know the answer