The catalyst lowers the activation energy.
Answer:
your velocity is 2.5 m/sec
Karl Schwarzschild devised the first general relativity model that would adequately describe a black hole in 1916.
What is Black Hole?
A black hole is an area of spacetime with such intense gravitational pull that nothing can escape from it, not even light or other electromagnetic waves. According to general relativity theory, a compact enough mass can bend spacetime into a black hole. The event horizon is the line beyond which there is no escape.
Black holes were once thought to be a mathematical curiosity, but theoretical research in the 1960s revealed that they were actually a general prediction of general relativity.
To know more about Black Hole refer:
brainly.com/question/7866362
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I think you would use F = ma
F = 65*10
F = 650N
(The 10m/s is from acceleration due to gravity)
The first one would be thermal energy