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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?
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Mathematics, 21.06.2019 17:50
Which of these triangle pairs can be mapped to each other using two reflections?
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Mathematics, 21.06.2019 19:10
Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?
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Mathematics, 21.06.2019 21:40
Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.
Answers: 1
What is the time on this clock?
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