The equation y = 2x + 3 represents the cost y (in dollars) of mailing a package that weighs x pounds.

Physics

1 answer:

White raven [17]3 years ago

6 0

Answer:

what is your question though

Explanation:

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An astronaut on a distant planet wants to determine its acceleration due to gravity. the astronaut throws a rock straight up wit

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Define
u = 16 m/s, the vertical launch velocity
g = acceleration due to gravity, measured positive downward
s = vertical distance traveled
t = 21.2 s, total time of travel.

The vertical motion obeys the equation
s = ut - (1/2)gt²

When the rock is at ground level, s = 0.
Therefore
(16 m/s)(21.2 s) - 0.5*(g m/s²)*(21.2 s)² = 0
339.2 - 224.72g = 0
g = 1.5094 m/s²

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