What are the two kinds of nucleons?

Physics

1 answer:

Akimi4 [234]3 years ago

5 0

Answer:

The main types of nucleons are protons and neutrons. A proton, as its name suggests, has a positive electric charge, and a neutron has a neutral electric charge (meaning that it has no charge). The two in the nucleus of the atom make a positive charge, since the neutron has no charge at all.

Explanation:

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A water bug is suspended on the surface of a pond by surface tension (water does not wet the legs). The bug has six leg, and eac

Crazy boy [7]

Answer:

m = 2.2 x 10⁻⁴ kg = 0.22 g

Explanation:

The surface tension of water is 0.072 N/m. So in order for the bug to avoid sinking, its weight per unit length of contact must be no more than the surface tension of water. Therefore,

$Weight\ of bug\ per\ unit\ length = Surface\ Tension\ of\ Water\\\frac{mg}{L} = Surface\ Tension\ of Water\\m = \frac{(Surface\ Tension\ of\ Water)(L)}{g}$

where,

m = mass of bug = ?

g = acceleration due to gravity = 9.81 m/s²

L = Contact length = (contact length of each leg)(No. of Legs) = (5 mm)(6)

L = 30 mm = 0.03 m

Therefore,

$m = \frac{(0.072\ N/m)(0.03\ m)}{9.81\ m/s^{2}} \\$

8 0

3 years ago

Why are solar winds potentially fatal for organisms living on earth?

Amiraneli [1.4K]

Solar winds contain high levels of radiation which could lead to various health related complications in living organisms on Earth. These complications include and are not limited to radiation sickness, chromosomal damage, and cancer. However, solar winds are blocked by the Earth's magnetic field, only posing problems to our telecommunications.

7 0

4 years ago

Many physical properties, such as force and mass, cannot be measured directly. Rather, some other physical property is measured

Salsk061 [2.6K]

Answer:

u =0.269

Explanation:

To find the coefficient of friction we know the following formula

$F_{f} = uN$

Where

$F_{f}$ = Force of Friction

$u$ = Coefficient of Friction

$N$ = Normal Force

Thus we first find the Normal force (N). Remember that the Normal force is perpendicular to the surface, and is equal to the opposing component of Weight (W). Since the surface here is horizontal, then the Normal force will be equal to the Weight.

$N = mg\\ N = (2.12)(9.8)\\ N = 20.776 N$