But there are so many incredible day trips to choose from, itâs worth taking a least one day to see something outside of the capital. 1  Top 5 Day Trips from Paris. 2  Castles and Palaces. 3  Gourmet Day Trips.  Cathedral Cities and Cute 1  Towns. Parks & Gardens.  WWI & WWII History and 1  Battlefields. Day Trips Abroad.
Understand power and energy. Watts are a measure of power, or how fast energy is used (energy over time). Joules is a measure of energy. In order to convert from watts to joules, you need to specify a length of time. The longer a current flows, the more energy it uses.
1 calorie = 4.2 Joules Answer In SI, all forms of energy are expressed in joules (J). The British Thermal Unit (BTU) is an imperial unit for energy, rarely used anywhere outside the United States. The calorie is an obsolete (cgsA) unit despite being used (kilocalories) to some extent in the food industry.