Physics, 13.07.2019 04:30 jandrew2052
5. a man walks at 5 km/h in the direction of a 20 km/h wind. if raindrops fall vertically at 7 km/h in still air, determine direction in which the drops appear to fall with respect to the man.
Answers: 1
Physics, 22.06.2019 04:30
In a system, when potential energy decreases, then entropy also decreases. true false
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Physics, 22.06.2019 05:00
In a stagnant pool of water, a crayfish may spend much of its time lying with one side of its carapace near the surface of the water. in this position, it will move the walking legs on that side in a rhythmic back-and-forth motion. explain the likely function of this behavior.
Answers: 1
Physics, 22.06.2019 08:00
Which notation is used to represent an alpha particle? a. b. c. d.
Answers: 1
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
5. a man walks at 5 km/h in the direction of a 20 km/h wind. if raindrops fall vertically at 7 km/h...
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