Physics, 18.05.2021 18:20 hermesrobles
The farming and grazing practices of the early settlers led to a natural disaster. Which of the following practices led to the creation of this ecosystem disaster?
1. Overplanting crops that could not stand drought
2. Plowing the soils so that plant materials were buried
3. Overgrazing the prairie
4. All of the above
Answers: 3
Physics, 21.06.2019 19:20
Aferris wheel is a vertical, circular amusement ride with radius 9 m. riders sit on seats that swivel to remain horizontal. the ferris wheel rotates at a constant rate, going around once in 9 s. consider a rider whose mass is 56 kg. at the bottom of the ride, what is the perpendicular component of the rate of change of the rider's momentum? at the bottom of the ride, what is the vector force exerted by the seat on the rider?
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Physics, 22.06.2019 05:30
An object weighs 40n in air, weighs 20n when submerged in water and 30n when submerged in a liquid of unknown density. what is the density of the liquid?
Answers: 2
Physics, 23.06.2019 01:30
Each line (unit) on the horizontal axis represents: 5 years 10 years 20 years all of the above
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The farming and grazing practices of the early settlers led to a natural disaster. Which of the foll...
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