Il A heavy ball with a weicht of 100 N (m 10.2 kg) is hung. from the ceiling of a lecture hall on a 4.5-m-long rope. The ball. is pulled to one side and released to swing as a pendulum, reach-. ing a speed of 5.5 m/s as it passes throuoh the lowest point.
Inventions. The huochong gun was invented in China during the Ming dynasty. It was also called the tongjiangjun, which meant bronze general. This was an important invention of the time period because the Ming Dynasty was creating weapons to defend their dynasty, and they came across the gun.t was also called the tongjiangjun, which meant bronze general. This was an important invention of the time period because the Ming Dynasty was creating weapons to defend their dynasty, and they came across the gun.
Some of the everyday things that we use today are Renaissance inventions and technology. Some of the greatest inventions of all times were made during this period. Renaissance inventions and inventors were truly revolutionary and unique and the world is what it is today, due to these inventions made at that period.Inventions and Discoveries: 1300 Invention of the first mechanical clock. 1366 Invention of scales for weighing.ooking at this timeline will help you to get a better idea of the chronological order in which these inventions were made. Renaissance inventions and discoveries had a great impact in the evolution of arts and science.