Which of the following statements is true about magnetic fields. magnets and magnetic fields were only just discovered in the last 500 years. the earth’s magnetic field is confined within the core of the earth. the earth’s magnetic field protects the surface from strong electrical currents coming from the sun. magnetic fields are unreliable for use in navigation.

Tafari worked one summer on a ship that set weather buoys in the ocean. he watched how one of the buoys moved in the water. describe which parts of the wave would cause the buoy to bob up and down. which wave property determined how fast the buoys bobbed in the water? he observed that when the wind blew harder, the ocean waves were larger, and the buoys moved away from the ship. what effect, if any, did the waves have on how far the buoys moved? explain your answer.

If a stone with an original velocity of 0 is falling from a ledgeand takes 8 seconds to hoybthe ground whays the final velocity of the stone

The particles that are found in the nucleus of an atom are