Answer:
Specific gravity can be used to determine if an object will sink or float on water. ... If an object or liquid has a specific gravity greater than one, it will sink. If the specific gravity of an object or a liquid is less than one, it will float.
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Answer:

#Where
is in meters and
in seconds.
Explanation:
Given that :
From
we have:

From
we have that:

Now,given that the initial value problem is given by:

Hence,the position of u at time t is given by
,
in meters,
in seconds.
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D. Your mass and the mass of the planet