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Triss [41]
3 years ago
7

Imagine that you are on Mars, and you are swinging a pocket watch back and forth. You time the period of this simple pendulum to

be 2.6 seconds, and you measure the chain on the pocket watch to be 63 centimeters. Using this information, figure out what the gravity of Mars is.
Physics
2 answers:
andrew11 [14]3 years ago
8 0
2.7 is the answer, hope tthis helps
mart [117]3 years ago
7 0

2.7 for alll plato users

N25 free 17

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What is the speed of an object at a given moment
Liula [17]

Answer:

Instantaneous Speed - The speed of an object at a given moment.

<h3><u>PLEASE</u><u> MARK</u><u> ME</u><u> BRAINLIEST</u><u>.</u></h3>
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2 years ago
A)topirea ghetii este un fenomen...
timofeeve [1]
What language is this?? So I can translate it and answer your question
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3 years ago
Would water molecules in Venus’ atmosphere, whose temperature is 740 K, escape into outer space? A water molecule has a mass tha
Akimi4 [234]

Answer:

The water molecule cannot escape, since the average velocity of the water molecules is less than one sixth of the escape velocity of venus.

Explanation:

The average speed of gas molecules is given by:

v_{rms}=\sqrt{\frac{3RT}{M}}

R is the gas constant, T is the temperature and M the molar mass of the gas.

We know that a water molecule has a mass that is 18 times that of a hydrogen atom:

M_H=1.01*10^{-3}\frac{kg}{mol}\\M_{H2O}=18M_H=0.02\frac{kg}{mol}

So, we have:

v_{rms}=\sqrt{\frac{3(8.314\frac{J}{mol \cdot K})740K}{0.02\frac{kg}{mol}}}\\v_{rms}=960.65\frac{m}{s}*\frac{1km}{1000m}=0.96\frac{km}{s}

The water molecule cannot escape, since the average velocity of the water molecules is less than one sixth of the escape velocity of venus:

10\frac{km}{s}*\frac{1}{6}=1.6\frac{km}{s}\\0.96\frac{km}{s}

4 0
3 years ago
Name human body organs where magnetism is significant
ser-zykov [4K]
It has been hypothesized, and some studies have supported the conjecture,
that certain species of insects and birds are able to sense the direction of external
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I don't think there is any such notion where human beings are concerned.
5 0
3 years ago
Explain what happens to the particles in a substance during a physical change.
omeli [17]

Answer:

In physical changes no new materials are formed and the particles do not change apart from gaining or losing energy. ... Particles stay the same unless there is a chemical change whether the matter is solid, liquid or gas. Only their arrangement, energy and movement changes.

Explanation:

Hope this helps

7 0
3 years ago
Read 2 more answers
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