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Anit [1.1K]
3 years ago
11

Name the particle in the nucleus of an atom that gives the nucleus a positive charge

Physics
2 answers:
Crazy boy [7]3 years ago
8 0
The answer is d...............
monitta3 years ago
8 0
A) proton

This is simply a matter of actually learning the terms. To wit
<span>A) proton - One of two different particles found in the nucleus of an atom. They have about the same mass as a neutron, and have a positive charge. 

B) photon - The basic unit of light.

C) neutron - The other particle found in the nucleus of an atom. They have no electrical charge and are about the same mass as a proton.

D) electron - The particle that "orbits" the nucleus of an atom. They're much lighter than either protons or neutrons, and have a negative charge.

</span><span /><span>
</span>
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What is 7.832 rounded to the nearest 10th?
Galina-37 [17]

When rounding you look at the number right after the one you want to round. The tenth place is the one right after the decimal. If the number after it is more than five it goes up by one, it it's less than five it stays the same. So since the number after the 8 is a 3 it stays the same.

The answer is 7.8

3 0
3 years ago
Assume that the radius ????r of a sphere is expanding at a rate of 70 cm/min.70 cm/min. The volume of a sphere is ????=43???????
rodikova [14]

Answer:

the rate of change in volume with time is 280πr² cm³/min

Explanation:

Data provided in the question:

Radius of the sphere as 'r'

\frac{d\textup{r}}{\textup{dt}}  = 70 cm/min

Volume of the sphere, V = \frac{\textup{4}}{\textup{3}}\pi r^3

Surface area of the sphere as 4πr²

Now,

Rate of change in volume with time, \frac{d\textup{V}}{\textup{dt}}

 = \frac{d(\frac{\textup{4}}{\textup{3}}\pi r^3)}{dt}

= 3\times\frac{\textup{4}}{\textup{3}}\pi r^2}\times\frac{dr}{dt}

Substituting the value of \frac{dr}{dt}

= 3\times\frac{\textup{4}}{\textup{3}}\pi r^2}\times70

= 280πr² cm³/min

Hence, the rate of change in volume with time is 280πr² cm³/min

4 0
3 years ago
Which of the following can a cell contain. A. a number B. a word C. a function D.all of these.
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A cell can contain D.) all of these
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3 years ago
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What is the genetic makeup of the offspring of asexual reproduction
dangina [55]
<span>The offspring will have the exact same genetic makeup as the parent. This is because there is no other parent involved other than the one parent.</span>
7 0
3 years ago
Observe the two scenarios involving electrically charged objects. Predict what will happen when you bring the objects close toge
Margarita [4]

Answer:

When one object is rubbed against another, static electricity can be created. This is because the rubbing creates a negative charge that is carried by electrons. The electrons can build up to produce static electricity. For example, when you shuffle your feet across a carpet, you are creating many surface contacts between your feet and the carpet, allowing electrons to transfer to you, thereby building up a static charge on your skin. When you touch another person or an object, you can suddenly discharge the static as an electrical shock.

Explanation:

Similarly, when you rub a balloon on your head it causes opposite static charges to build up both on your hair and the balloon. Consequently, when you pull the balloon slowly away from your head, you can see these two opposite static charges attracting one another and making your hair stand up.

6 0
3 years ago
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