Physics, 11.12.2019 17:31 tshaw04614
You measure the weights of a random sample of twenty-five male runners. the sample mean is 60 kilograms (kg). suppose that the mean weights of male runners follow a normal distribution with unknown mean µ and standard deviation σ = 5 kg. the 95% confidence interval for µ is
Answers: 2
Physics, 21.06.2019 17:50
In the image, the arrow is pointing to a celestial object. which attribute disqualifies the object from being a planet?
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Oxygen and nutrients are moved through the body by the: a. circulatory system c. lymphatic system b. digestive system d. reproductive system
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Awater slide of length l has a vertical drop of h. abby's mass is m. an average friction force of magnitude f opposes her motion. she starts down the slide at initial speed vi. use work-energy ideas to develop an expression for her speed at the bottom of the slide. then evaluate your result using unit analysis and limiting case analysis. express your answer in terms of the variables h, m, l, vi, f and appropriate constants. vf v f
Answers: 2
Physics, 22.06.2019 17:00
Adiver named jacques observes a bubble of air rising from the bottom of a lake (where the absolute pressure is 3.50 atm) to the surface (where the pressure is 1.00 atm). the temperature at the bottom is 4.00 ∘c, and the temperature at the surface is 23.0 ∘c.what is the ratio of the volume of the bubble as it reaches the surface (vs) to its volume at the bottom (vb)? if jaques were to hold his breath the air in his lungs would be kept at a constant temperature. would it be safe for jacques to hold his breath while ascending from the bottom of the lake to the surface?
Answers: 1
You measure the weights of a random sample of twenty-five male runners. the sample mean is 60 kilogr...
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