Maria is at the playground and swinging on the swing set. At the top of her swing, she has 500 Joules of Potential Energy (PE). At the bottom of her swing, she has 1000 Joules of Kinetic Energy (KE). What is Maria's Mechanical Energy (ME)? ME= PE + KE * 500 J
5 J
500,000 J
1500 J

Imagine that the rightward current flows in the rod for a short time. as a result, what will the net charge on the right and left ends of the rod become? left end negative and right end positive left end negative and right end negative left end negative and right end nearly neutral left end nearly neutral and right end positive both ends nearly neutral