4 years ago

State the reason why it may not be possible to suck liquid into your mouth using a drinking straw on the surface of the moon

Physics

2 answers:

expeople1 [14]4 years ago

7 0

This is because the force of gravity is acting

Usimov [2.4K]4 years ago

3 0

There is no air pressure on the moon, so the liquids will shoot straight up, possibly causing you to choke.

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An object is given an initial velocity. What will happen to the object if no other forces act on it?

Phoenix [80]

Answer:

The object will travel at a constant rate in along a straight line.

Explanation:

In the given situation, it is mentioned that there is no external force acting on the given object. Thus, it will retain its initial velocity along a straight path.

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3 years ago

A weight of 30.0 N is suspended from a spring that has a force constant of 220 N/m. The system is undamped and is subjected to a

Nimfa-mama [501]

Answer:

$F_0 = 393 N$

Explanation:

As we know that amplitude of forced oscillation is given as

$A = \frac{F_0}{ m(\omega^2 - \omega_0^2)}$

here we know that natural frequency of the oscillation is given as

$\omega_0 = \sqrt{\frac{k}{m}}$

here mass of the object is given as

$m = \frac{W}{g}$

$\omega_0 = \sqrt{\frac{220}{\frac{30}{9.81}}}$

$\omega_0 = 8.48 rad/s$

angular frequency of applied force is given as

$\omega = 2\pi f$

$\omega = 2\pi(10.5) = 65.97 rad/s$

now we have

$0.03 = \frac{F_0}{3.06(65.97^2 - 8.48^2)}$

$F_0 = 393 N$

6 0

3 years ago

Key concepts <br><br> (Example | scientific method

nekit [7.7K]

Vocabulary should be, I think:
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III. Experiment

What is your question exactly?

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3 years ago

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A ball falls from a shelf. Assuming there is no friction, why is the conservation of mechanical energy independent of mass?(1 po

cluponka [151]

Answer:

It's B

Explanation:

Hope this helps, tell me if im wrong!

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3 years ago