Q: The place where a river meets the sea is called a(n) __________. A. estuary B. isthmus C. escarpment D. peninsula. A: Place where river meets sea is estuary. Log in to see link for more information.
Although The Guinness Book of Records recorded the XF-84H as the fastest propeller-driven aircraft ever built, with a design top speed of 670 mph (1,080 km/h) (Mach 0.9) and 623 mph (1,003 km/h) (Mach 0.83) during tests, this claim has been disputed.
A question we often hear. The topic âWhich is the Fastest Aircraft in the Worldâ is not that simple. Some count the fastest vehicle, the Apollo module as record holder. The command module had Top Speeds around Mach 30, that is around 36,750 km/h or over 22,830 mph. But the Apollo canât be counted as Aircraft.