Mechanical energy swing because of the work done by the pendulum to oppose these non-conservative forces. That the loss of mechanical energy in a system always resulted in an increase of the system's temperature has been known for a long time, but it was the amateur physicist James Prescott Joule who first experimentally demonstrated how a certain amount of work done against friction resulted in a definite quantity of heat which should be conceived as the random motions of the particles that comprise matter. This equivalence between mechanical energy and heat is especially important when considering colliding objects. In an elastic collision,
Port of Dalian million tons in 1995. In 2016, cargo throughput for the Port of Dalian reached 355 million tons, which was up 5.5% from 2015. Lifting capabilities are between 3 – 120 tons at working radius 3 – 30 meters. The Port of Dalian's DCT, DPCM, and DICT have a total of 13 berths with alongside depths from 9.8 to 16 meters (32.2 to 52.5 feet) The port is around 503.55 mi (932.58 km, from Koje (South Korea) To Dalian (China). The sailing time is estimated 1 day sea Port of Dalian The Port of Dalian (38° 55' N 121° 41' E)