As the train in the image moves to the right how does the train horn sound to person a?

When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative

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

Acapacitor is storing energy of 3 joules with a voltage of 50 volts across its terminals. a second identical capacitor of the same value is storing energy of 1 joule. what is the voltage across the terminals of the second capacitor?