If a tank holds 5500 gallons of water, which drains from the bottom of tank in 40min, then Torricelli’s Laws gives the volume V of water remaining in the tank after t minutes as V=5500(1-1/50t)^(2)

i believe it is b. what was the cause of the big bang

hope this !

what is the question because that is not a question.

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.