At 20°c, a length of copper wire has a resistance of 10.0 ω what is its resistance when the wire is heated to 65°c? let α = 0.004 at 20°c. show all work and include units of measure.

Write the correct abbreviation for each metric unit

The dot diagram represents the motion of the motorcycle as it moves from left to right

Electric field of the earth. the earth has a net electric charge that causes a field at points near its surface equal to 150 n> c and directed in toward the center of the earth. (a) what magnitude and sign of charge would a 60-kg human have to acquire to overcome his or her weight by the force exerted by the earth’s electric field? (b) what would be the force of repulsion between two people each with the charge calculated in part (a) and separated by a distance of 100 m? is use of the earth’s electric field a feasible means of flight? why or why not?