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inna [77]
4 years ago
8

What makes a submarine dive?

Physics
1 answer:
sineoko [7]4 years ago
8 0

Letting water into its tanks, and letting it push air out, increases the density of the submarine.  Once its density becomes greater than 1 (the density of the water it's floating in), it starts to sink.  

The more water is let into the tanks, the greater the sub's density becomes, and the faster it sinks ... (it becomes more like a rock).

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Answer:

8.829 m/s²

Explanation:

M = Mass of Earth

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m=M-0.1M\\\Rightarrow m=0.9M

g_e=G\frac{M}{r^2}

g=G\frac{0.9M}{r^2}

Dividing the equations we get

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3 years ago
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Sections a, c, and d are all going up or down. Section b is the only one where speed is not changing. So we can't be sure about b, because we don't know if the track may be curving ... the graph can't tell us that. But a, c, and d are DEFINITELY showing acceleration.

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