Physics, 20.01.2020 21:31 taegibbby03
Weddell seals make holes in sea ice so that they can swim down to forage on the ocean floor below. measurements for one seal showed that it dived straight down from such an opening, reaching a depth of 0.30 km in a time of 5.0 min. what is the speed of the diving seal in m/s?
a. 0.60 m/s b. 1.0 m/s c. 1.6 m/s d. 6.0 m/s e. 10 m/s
Answers: 2
Physics, 22.06.2019 15:50, showerofstars
How many neutrons does plutonium -196 with an atomic number of 78.
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Physics, 22.06.2019 17:00, agelafa
Simon is writing a story about an astronaut whose spacecraft has been boarded by space pirates. the astronaut has her lucky penny in her hand behind her back as the space pirates break into the control room. she has just locked the controls so that the ship is accelerating in the direction of the control room’s ceiling. simon wants the astronaut to use the penny to hit a button on the control panel to turn off the lights and escape. the button is located a short distance behind and below the astronaut’s hands. how should simon use the theory of relativity to describe what the astronaut must do in order to hit the button?
Answers: 1
Physics, 22.06.2019 23:40, redraider4915
Certain bacteria (such as aquaspirillum magnetotacticum) tend to swim toward the earth’s geographic north pole because they contain tiny particles, called magnetosomes, that are sensitive to a magnetic field. if a transmission line carrying 100 a is laid underwater, at what range of distances would the magnetic field from this line be great enough to interfere with the migration of these bacteria? (assume that a field less than 5% of the earth’s field would have little effect on the bacteria. take the earth’s field to be 5.0 * 10-5 t, and ignore the effects of the seawater.)
Answers: 1
Weddell seals make holes in sea ice so that they can swim down to forage on the ocean floor below. m...
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