Physics, 22.08.2019 03:10 bedsaul12345
Ll be profitable if the average wind speed at the proposed turbine site is more than 8 mph. for a site north of west lafayette, the wind speed was monitored every 8 hours for a one year period. a total of 1095 readings had an average speed of 8.319 mph with a standard deviation of 3.909. an appropriate 1-sided hypothesis test was conducted to test whether the average wind speed at the site is more than 8 mph. which of the below would be a type i error for this test?
Answers: 2
Physics, 22.06.2019 00:30
Comedians like to joke that the reason we haven’t been visited by intelligent life from elsewhere in the universe is that aliens have been monitoring earth’s broadcasts of intellectually embarrassing tv programs, like gilligan’s island, fear factor, the jersey shore, and the jerry springer showand so consider us far too primitive to merit a visit. let’s check the assertion that aliens could have been receiving them. tv programs are broadcast at a frequency of about 100mhz with about 100kw of total power in 30frames per second, which emanatesroughly uniformly in all directions. assume that interstellar space transmits these broadcasts without attenuation. no matter how smart they are, aliens would require at least one photon per frame to interpret our signals. findthe number of photons per unit time per unit area reaching a receiver on a possible planet in the nearest star system, which is about 4 light-years away (a light-year is the distance light travels in a year). if aliens aimed a receiver or detector directly at earth, how big (in diameter) would it have to be to receive a photon per frame
Answers: 2
Physics, 22.06.2019 08:50
The electronic structure or chlorine is 2.8.7 what is the electronic structure of fluorine?
Answers: 2
Physics, 22.06.2019 11:00
A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n
Answers: 3
Ll be profitable if the average wind speed at the proposed turbine site is more than 8 mph. for a si...
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