4) Determine the force of gravitational attraction between the earth (m = 5.98 x 1024 kg) and a 75-kg physics student if the student is in an airplane at 40000 feet above earth's surface. This would place the student a
distance of 6.38 x 10 m from earth's center.
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what experimental evidence led scientists to change from the previous model to this one?

a few of the positive particles aimed at a gold foil seemed to bounce back.

the colors of light emitted from heated atoms had very specific energies.

experiments with water vapor showed that elements combine in specific proportions.

cathode rays were bent in the same way whenever a magnet was brought near them.

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.