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Marina CMI [18]
3 years ago
12

A spring does 5.0 J of work on a 0.10-kg ball bearing in a pinball machine. The ball's

Physics
1 answer:
lisov135 [29]3 years ago
5 0

Answer:

10m/s

Explanation:

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What do you need to make 100 minutes charges neutral
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Neutrons are neutral<span> and </span>do<span> not </span>have<span> any </span>charge<span> at all. Protons carry a positive </span>charge<span>, and electrons carry the negative </span><span>charge.</span>
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2 years ago
How are the planets sizes related to their surface gravity
dexar [7]

Answer:

The surface gravity is inversely proportional to the square of the radius of the planet

Explanation:

The gravity at the surface of a planet is given by:

g=\frac{GM}{R^2}

where

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M is the mass of the planet

R is the radius of the planet

We see from the formula that the surface gravity is inversely proportional to the square of the radius of the planet, R.

At the Earth's surface, the value of the surface gravity is approximately 9.81 m/s^2.

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Magnetism/ magnetic field ana magnetic forces
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Answer:

Magnetism is a physical phenomenon that manifests itself in a force acting between magnets or other magnetized or magnetisable objects, and a force acting on moving electric charges, such as in current-carrying cables. The force action takes place by means of a magnetic field, which is generated by the objects themselves or otherwise. There are natural and artificial magnets. All magnets have two poles called the north pole and the south pole. The north pole of one magnet repels the north pole of another magnet and attracts the south pole of another magnet; the same with south poles.  

6 0
3 years ago
If two temperatures differ by 25 degrees on Celsius scale, the difference of temperature on Fahrenheit scale is?
Mekhanik [1.2K]

Answer:

25 x 9/5 = 45 degrees Fahrenheit

Explanation:

4 0
2 years ago
Which statement is true about crystal lattice energy?
irinina [24]

The answer is:

It is a measure of the strength of the bonds between ions.

Lattice energy is an estimate of the strength of the bonds formed by ionic compounds.

The first two choices are wrong because it is actually the opposite.

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As for the other third option, it is wrong because lattice energy is the energy RELEASED not absorbed.

3 0
3 years ago
Read 2 more answers
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