During a thunderstorm, the temprature is 18C. If you see a lightning flash and hear the thunder 1.5 seconds afterwards, how far away is the thunder really?

Match each scenario to the form of energy it represents

The total amount of energy contained in an object

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?