50 grams of lead at -10 c is placed in a container that has 200 grams of steam at 105 celsius. what is the final temperature of the system? if not all the steam has condensed then state how much of it has condensed and how much remains in the form of steam.

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?

What happens when a rubber rod is rubbed with a piece of fur?

Amother used 150 watts of power to raise a 15 newton object in a time interval of 8.0 seconds. through what vertical distance was the object raised ?