Physics, 10.11.2019 16:31 lizzie3545
True or false: objects fall toward earth at a rate of 9.8 m/s because of centripetal force.
Answers: 1
Physics, 22.06.2019 08:00, nikkiwoodward1ovgszp
What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?
Answers: 1
Physics, 22.06.2019 17:40, yoongnzl
Aspring is used to stop a 50-kg package which is moving down a 20º incline. the spring has a constant k = 30 kn/m and is held by cables so that it is initially compressed 50 mm. knowing that the velocity of the package is 2 m/s when it is 8 m from the spring and neglecting friction, determine the maximum additional deformation of the spring in bringing the package to rest.
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
True or false: objects fall toward earth at a rate of 9.8 m/s because of centripetal force....
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