Physics, 17.06.2021 22:10 nyiapower9705
An athlete, swimming at a constant speed, covers a distance of 221 m in a time period of 3 minutes and 38 seconds. The drag force exerted by the water on the swimmer is 71.0 N. What is the power the swimmer must provide to overcome that drag force. (in W)
Answers: 2
Physics, 21.06.2019 21:30
In a load, the load is paralel to the shaft. n a. angular n b. thrust n c radial n d. none of the above
Answers: 1
Physics, 22.06.2019 04:30
You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at −20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?
Answers: 2
Physics, 22.06.2019 18:00
Consider an ideal gas at 27.0 degrees celsius and 1.00 atmosphere pressure. imagine the molecules to be uniformly spaced, with each molecule at the center of a small cube. what is the length l of an edge of each small cube if adjacent cubes touch but don't overlap?
Answers: 2
An athlete, swimming at a constant speed, covers a distance of 221 m in a time period of 3 minutes a...
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