How much energy would you produce with magnets in perpetual motion

There are two routes similar in terrain; however, one route has an incline of approximately 28 degrees, and you must decide on which route to take. what is the maximum road grade that your fully loaded ecv can climb?

Which transition by an electron will release the greatest amount of energy? oa ob oc od

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a. true or b. false