What is the minimum amount of heat (in joules) needed to increase the temperature of 6 kg of liquid water from 33 degrees centigrades to 71 degrees centigrades?

0.11 m/s and 0.28 m/s should be correct

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.

see earlier