Physics, 21.08.2020 07:01 carlosluiscontrerasp
in a 200 m swimming competition, a swimmer took 12.3s to complete the first lap,12.5 for the second lap,12.7 for the third lap and 12.6 for the fourth lap. Each lap is 50 m long. Find the average speed and average velocity of the swimmer
Answers: 3
Physics, 22.06.2019 12:30
What would be the strength of earth's gravitational field at a point where an 80.0 kg astronaut would experience a 80% reduction in weight
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Physics, 23.06.2019 02:10
The average atmospheric pressure on earth is approximated as a function of altitude by the relation patm = 101.325 (1 − 0.02256z)5.256, where patm is the atmospheric pressure in kpa, and z is the altitude in km with z = 0 at sea level. determine the approximate atmospheric pressures at atlanta (z = 306 m), denver (z = 1610 m), mexico city (z = 2309 m), and the top of mount everest (z = 8848 m).
Answers: 3
Physics, 23.06.2019 12:00
What was the approximate temperature of the universe at an age of 1015 s?
Answers: 3
in a 200 m swimming competition, a swimmer took 12.3s to complete the first lap,12.5 for the second...
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