A newly discovered planet has a mass equal to one eighth of the Earth's mass and a radius
equal to one half of the Earth's radius. If the
gravitational field strength at the Earth's surface
is g, what is the value of g on the new planet's
surface?

answer: a) y=-8x+5

a) m= -8

b) m= -2

c) m= 7

d) m= 6

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.

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