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mash [69]
3 years ago
9

The correct notation for an alpha particle

Physics
2 answers:
TiliK225 [7]3 years ago
3 0
Can't find the options on the keyboard so ill try to describe it. I think either an He symbol or the greek letter alpha is accepted. There must be a 4 at the top left and a 2 at bottom left. 

Amanda [17]3 years ago
3 0

Answer:

α or He⁴₂

Explanation:

*The computer does not allow for the 4 and 2 to be directly inline

The alpha particle can be notated as a simple "α". Since that symbol is the letter alpha in Greek. Another way of notating the particle is "He⁴₂" (where the 2 is directly under the 4), this is because an alpha particle contains the exact same components of a helium nucleus, two protons, and two neutrons (with an atomic mass of four).

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A football coach walks 24 meters eastward, then 12 meters
elena-14-01-66 [18.8K]

Answer:

Distance magnitude = 24 meters

The direction of the displacement = Eastward

Explanation:

The distance walked by the football coach eastward = 24 meters

The distance walked by the football coach westward = 12 meters

Then the distance walked by the football coach eastward = 36 meters

Finally, the distance walked by the football coach westward = 22 meters

The total distance walked by the coach eastward  = 24 + 36 = 60 meters

The total distance walked by the coach westward  = 12 + 22 = 34 meters

Taking x-direction as positive, we have;

The magnitude of the distance = 60 - 34 = 24 meters,

The direction of the coach = Eastward.

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