Physics, 28.10.2020 17:40, cathydaves
Lake Mead, the reservoir above Hoover Dam, has a surface area of approximately 640 km2. The top 1 meter of water in the lake weighs about 6.3 x 1012 N. The dam holds that top layer of water 220 m above the river below, What is the potential energy of the top 1 m of water in Lake Mead.
Group of answer choices
140800 j
2156 j
1.38 x 10^15 j
14367.3 j
Answers: 2
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What type of nuclear decay causes the atomic number of an element to increase by 1?
Answers: 1
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You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?
Answers: 2
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