Mathematics, 02.08.2019 22:00 bleesedbeme
Marcus had a rope that was 75 feet long. he cut off part of the rope. after that, the rope was 56 feet long. if f= the number of feet marcus cut off the rope, which mathematical sentence expresses the infromation above?
Answers: 2
Mathematics, 21.06.2019 15:20
Asmall (but heavy) particle placed in a glass of water will follow a zigzag motion because the particle will bounce off of the water molecules it meets. this is called brownian motion. a physicist simulates this on a computer, by varying the distance a particle can travel (called the mean free length), on average, before it collides with a water molecule and assigning the change in motion to be one of 8 directions, each with a similar probability. by running the simulated particle (with the same mean free length) many times she determines that it should take 15 seconds, on average, for the particle to fall to the bottom, with a standard deviation of 1.5 seconds. next she lets a real particle fall through a glass of water and finds that it took 18 seconds. what does she conclude, and why?
Answers: 1
Marcus had a rope that was 75 feet long. he cut off part of the rope. after that, the rope was 56 fe...
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