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3 years ago

Describe at least two ways that electromagnet force and weak nuclear forces are alike and two ways that they are different.

1 answer:

4 0

Different: The weak nuclear force is responsible for radioactive decay within an atom of a substance, while the electromagnetic force causes electrostatic force between charged particles.

Different: The weak force has a very small range of effectiveness (where the force can be felt) while the electromagnetic force has an infinite range.

Same: Both forces act within an nucleus, or on a nuclear level.

Same: The weak nuclear force is mediated by charged particles called bosons, and the electrostatic force is only present within charged objects

The last one may be a bit of a stretch but I hope this helped a bit!

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Carbon-14 is a naturally-occuring, stable isotope that is commonly used is scientific studies as a tracer and to date artifacts.

lina2011 [118]

The answer is that there are 6 electrons, 8 neutrons, and 6 protons in carbon 14. The answer is then, B.

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2 years ago

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Find the kenetic energy of a car of mass 700kg racing with a velocity of 10m/s

fiasKO [112]

Answer:

35000 KJ

Explanation:

The equation for the kinetic energy is given by the formula :

$E_{k} = \frac{1}{2} mv^{2}$

$E_{k} = \frac{1}{2} (700)(10)^{2}$

$E_{k} = \frac{1}{2} (700)(100)$

$E_{k} = (350)(100)$ OR $E_{k} = \frac{1}{2} (70000)$

$E_{k} = 35000$

Units will be kilojoules since the units of mass was kilograms .

Our final answer is 35000 KJ

Hope this helped and have a good day

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1 year ago

Fe + Br2 --> FeBr3

eimsori [14]

Explanation:

1
2
1
1
3
4
No
2Fe+3Br2-->2FeBr3

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2 years ago

Which lab equipment is used as a cover to prevent heated materials from splattering out of the container and as a holding plate

faltersainse [42]

Watchglass is a lab equipment that is used as a cover to prevent heated materials from splattering out of the container and as a holding plate for hot or flammable materials

<u>Explanation:</u>

Watch glass is an equipment used as a cover to prevent heated materials from splattering out of the container and as a holding plate for hot or flammable materials. It is a kind of concave glass which is also used to evaporate a liquid and also provides good air circulation which is used during cooking. The name watchglass was derived as they are see through and so similar to pocket glasses.

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2 years ago

The acceleration of an object would increase if there was an increase in:

kolezko [41]

Answer:

Its either B or A

Explanation:

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2 years ago