If a car is traveling 103 miles per hour, how many miles and how much time would it take for another car to catch up to them from a complete stop?

In an experiment, how can i change human errors? be specific.

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?

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?