A mass of 210 kg is moved upward a vertical distance of 60 m in a time of 2 minutes. The power required to lift this mass is​

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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.

frequency or wavelenth of em radiation in a vacuum