A system absorbs 21. 6 kj of heat while performing 6. 9 kj of work on the surroundings. If the initial internal energy, e, is 61. 2 kj, what is the final value of e?.

i believe the answer is a

a.metals can become magnetic if they have many spinning electrons that create magnetic fields.d.only some metals are attracted by magnets; these metals are called ferromagnetic.

d.wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current.

answer; how far out of place which the object finished relative to the starting location;

option number c is the right answer.