Physics, 14.07.2019 08:50 Roninsongrant
Ascientist plans to find out the percent of teenagers who like science. she interviews 500 teenagers leaving a science museum and finds that 450 of them like science. the scientist concludes that 90 percent of teenagers like science. why is the scientist's conclusion most likely unreliable? adults were not interviewed the investigation was time consuming the source of information was biased very few teenagers were interviewed
Answers: 2
Physics, 21.06.2019 19:30
Note: the following questions are unrelated to the balmer series or the martian. refer to your course notes. a sun-sized star will spend most of its lifetime as a: white dwarf b. red giant c. protostar d. main-sequence star
Answers: 2
Physics, 22.06.2019 00:30
Using the work energy theorem. what is the velocity of a 850kg car after starting at rest when 13,000j of work is done to it.
Answers: 1
Physics, 22.06.2019 10:20
Asmall object with mass 0.200 kg swings back and forth on the lower end of a light rope that is 3.00 m long. the upper end of the rope is attached to the ceiling. as the object swings through its lowest position, where the rope is vertical, the speed of the object is 5.80 m/s. at this point in the motion, what is the tension in the rope? (use g = 9.80 m/s2.)
Answers: 2
Physics, 22.06.2019 15:20
What component of earthβs atmosphere exists entirely as a result of photosynthesis?
Answers: 2
Ascientist plans to find out the percent of teenagers who like science. she interviews 500 teenagers...
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