3. A 700 kg horse has 4000 J of kinetic energy as it is running. What is the velocity of the horse?
K=
m. v2
2
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Good moring let me you on this question the answer the electric force  have a good day ; )

C. the electric current passes from the slip rings, through the brushes, and to the collection device.

Aand b antarctica is a north pole.  field lines enter earth near the north pole.the magnetic pole near antarctica is a north pole.compasses point toward a magnetic pole that is a north pole.field lines circle earth from east to west.a compass can lead a hiker to the geographic north pole.

Hellosubatomic particles  are  particles  that are smaller than the atom. protons, neutrons, and electrons are the three mainsubatomic particles  found in an atom. protons have a positive (+)  charge. an easy way to remember this is to remember that both neutron and no  electrical charge  start with the letter "n."have a nice day