An airplane heads north of east by 18 degrees for a distance of 67 km then heads due north for 39 km. What is the planes total displacement?

Ithink they do have the same properties just in less quantities i think

Two cars collide, lock bumpers and move together after the collision.this collision is known as perfectly inelastic collision.

An electromagnet is a material in which the current produces electromagnetism and is passed to the core.  so to fill in the blanks, choices would be better if there were.an electromagnet is a magnet produced by electric current with a metal core