Physics, 04.09.2019 22:30, aesthetickait
Abat flying in a cave emits a sound and receives its echo 0.1 s later. how far away is the cave wall? assume the speed of sound to be 340 m/s. answer in units of m.
Answers: 2
Physics, 22.06.2019 03:00, bwheele6791
Arotating space station is said to create “artificial gravity”—a loosely-defined term used for an acceleration that would be crudely similar to gravity. the outer wall of the rotating space station would become a floor for the astronauts, and centripetal acceleration supplied by the floor would allow astronauts to exercise and maintain muscle and bone strength more naturally than in non-rotating space environments. if the space station is 200 m in diameter, what angular velocity would produce an “artificial gravity” of 9.80 m/s^{2} 2 at the rim?
Answers: 3
Physics, 22.06.2019 04:30, leilaford2003
Afeather of mass 0.001 kg falls from a height of 2 m. under realistic conditions, it experiences air resistance. based on what you know about friction, what can you say about the kinetic energy of the feather as it reaches the ground? acceleration due to gravity is g = 9.8 m/s2. a. ke < 0.0196 j b. ke = 00196 j c. je = 0 j d. ke > 0.0196 j
Answers: 1
Physics, 22.06.2019 23:10, lyssssasantiago9844
Estimate of the number of stars in our galaxy
Answers: 1
Physics, 23.06.2019 07:30, noathequeen
50 points to who answers this question in a clear and simple explanation : to what hight will a mass of weight of 500 n be raised in 20 seconds by a motor using 4kw of power?
Answers: 1
Abat flying in a cave emits a sound and receives its echo 0.1 s later. how far away is the cave wall...
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