Answers: 2
Physics, 22.06.2019 11:00
Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?
Answers: 2
Physics, 22.06.2019 12:30
Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?
Answers: 3
Physics, 22.06.2019 21:50
Determine the moment of the force f about an axis extending between a and c. express the result as a cartesian vector. a is at the origin, c is at (4,3,0) and f = (4i + 12j -3k) lb coming out of b (4,3,-2).
Answers: 2
Physics, 23.06.2019 02:00
The gravitational force between pluto and charon is 3.61 Γ 1018 n. pluto has a mass of 1.3 Γ 1022 kg, which is only slightly greater than charonβs mass of 1.6 Γ 1021 kg. how far apart are pluto and charon? 2.0 Γ 107 m 2.4 Γ 1012 m 3.8 Γ 1014 m 5.8 Γ 1024 m
Answers: 1
If animals could talk, who would be the rudest?...
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