A 0.6 mass is attached to a
horizontal spring which
undergoes SHM. The graph of
EPE as a function of position
shown to the right. The total
energy of the oscillating
system is 3 J.

i would think form in reponse to tensional forces

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.

the temperature in kelvin of 2.0 dm3 of an ideal gas is doubled and its pressure is increased by a factor of four. what is the final volume of the gas