Following his success as the first person to fly over North America's Pacific Coast, Feng, who is called the "Father of Chinese Aviation", and his assistant came back to China in 1911 with two aircraft he made. He was appointed the Air Force leader of fuangdong military government.
Explanation:
At twilight on a Tuesday evening in September 1909, Feng Ru prepared to test an airplane of his own design above the gently rolling hills of Oakland, California. It was just six years after Orville and Wilbur Wright took to the skies at Kill Devil Hills, North Carolina, and only a year after their first public flights.
One joule represents a relatively small amount of energy; it takes roughly 100,000 J (10^5 J) to heat a cup of water from room temperature to its boiling point under standard conditions. Often, kilojoules (kJ) are used, kJ = 10^3 J.
