A certain string has a mass of 120 g and a length of 40 cm. Consider the quantity 3 = 120/40.

1. Give the name of the quantity if there is one.

2. What is the interpretation of the quantity in this context?

3. Use the interpretation to find the mass of 7 cm of the same kind of string.

Question

A certain string has a mass of 120 g and a length of 40 cm. Consider the quantity 3 = 120/40.

1. Give the name of the quantity if there is one.

2. What is the interpretation of the quantity in this context?

3. Use the interpretation to find the mass of 7 cm of the same kind of string.

anonymous · Answer

1, linear mass density
2, 1 cm of thois have a mass 3g
3 21