Anet force of 150 n left is applied to an object that accelerates at a rate of 300 m/s2 to the left. what is the mass of the object? a) 0.5 kg b) 2 kg c) 450 kg d) 45,000 kg

f=ma a/f/m a= 480/60 a = 8m/s/s that is quick wow

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.