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Physics

2 answers:

aleksandr82 [10.1K]3 years ago

7 0

I think C) Cave formation from the acid in water dissolving limestone, is the correct answer.

Free_Kalibri [48]3 years ago

6 0

My teacher said it was c

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Which of the following are likely to form a covalent bond? 1.two gold atom 2. two neon atoms 3. hydrgen and oxygen atoms 4. magn

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Number 3.hydrogen and oxygen atoms because covalent bonds have both hydrogen and oxygen in them

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3 years ago

Which elements are alkali metals and which are alkaline earth metals

Irina18 [472]

Answer:

ix chemical elements that comprise Group 2 of the periodic table

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Above information helps you bro.

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A spacecraft in the shape of a long cylinder has a length of 100 m, and its mass with occupants is 1 480 kg. It has strayed too

maks197457 [2]

Answer:

2352645198509.9604 m/s²

Explanation:

G = Gravitational constant = 6.67 × 10⁻¹¹ m³/kgs²

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The difference in the gravitational field in this system is given by

$\Delta F=\dfrac{GMm}{R_{f}^2}-\dfrac{GMm}{R_{sb}^2}\\\Rightarrow \Delta g=GM\left(\frac{1}{R_f^2}-\frac{1}{R_{sb}^2}\right)\\\Rightarrow g=6.67\times 10^{-11}\times 90\times 1.989\times 10^{30}\left(\frac{1}{(10000+100)^2}-\frac{1}{10000^2}\right)\\\Rightarrow \Delta g=-2352645198509.9604\ m/s^2$