Me will give ! explain in three to five complete sentences, why scientists believe iron, nickel, and cobalt can be natural magnets when other elements cannot. remember to use proper grammar and mechanics when writing your sentences

You have a pick-up truck that weighed 4,000 pounds when it was new. you are modifying it to increase its ground clearance. when you are finished

What properties of a moving object are used in determining the object's energy of motion

Large electric fields in cell membranes cause ions to move through the cell wall. the field strength in a typical membrane is 1.0 x 10 7 n/c. what is the magnitude of the force on a calcium ion with charge +e? what is its acceleration? is it possible for a particle with the same charge as as calcium to have a different acceleration if placed at this location? what would change the acceleration: mass of the particle? diameter of the particle?