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jeka57 [31]
3 years ago
7

This question is about the alpha particle experiment

Physics
1 answer:
Wewaii [24]3 years ago
4 0
This suggest the the atom has a very small positively charged nucleus in the mass of the atom is concentrated. 
And the electrons revolves around the nucleus in their orbits.
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An electron in the first energy level of the electron cloud has an electron in the third energy level
lukranit [14]

Answer:

a lower energy than

Explanation:

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3 years ago
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A 500-N weight sits on the small piston of a hydraulic machine. The small piston has area 2.0 cm2. If the large piston has area
weqwewe [10]

Answer:

W₂= 10000 N

Explanation:

Pascal´s Principle can be applied in the hydraulic press:

If we apply a small force (F1) on a small area piston A1, then, a pressure (P) is generated that is transmitted equally to all the particles of the liquid until it reaches a larger area piston and therefore a force (F2) can be exerted that is proportional to the area (A2) of the piston:

Pressure is defined as the force (F) applied per unit area (A)

P=F/A   (N/m²)

P1=P2

\frac{F_{1} }{A_{1} } = \frac{F_{2} }{A_{2} }

F_{2} = \frac{F_{1}*A_{2}  }{A_{1}}  Equation (1)

Data

W₁ = weight sits on the small piston

F₁ = W₁= 500 N

A₁ = 2.0 cm²

A₂ = 40 cm²

Calculation of the weight  (W₂) can the large piston support

We replace data in the equation (1)

F_{2} = \frac{(500)*(40) }{2}

F₂ = 10000 N

W₂= F₂= 10000 N

6 0
3 years ago
The instrument used to measure the diameter of a thin wire is​
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micrometer is used to measure the diameter of a thin wire

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1) A person riding their bike on a nice cloudy day travels 50 meters in 20 seconds.
Rasek [7]

Answer:

5.59

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50 meters in 10 seconds is 11.18, which is an easy way to remember. Just divided by 2

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2 years ago
True or false. Atoms of a given element will have the same mass.
jarptica [38.1K]

Answer:

True

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Atoms of the same element will always have the same atomic mass or the mass listed in the periodic table.

4 0
3 years ago
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