The speed of a wave is 65 m/sec ifthe wavelength of the wave is 0.8 meters what is the frequency of yhe wave

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i just did this and got a 100.

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.