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svlad2 [7]
3 years ago
12

How did the electron change the model of the atom?

Physics
1 answer:
Evgesh-ka [11]3 years ago
4 0
According to John Dalton, atoms are indivisible which means that they can not be broken down into smaller particles. However, J.J Thomson have proven the existence of electrons. The existence of sub-atomic particles disproved Dalton's theory. Thomson conducted his experiment using a cathode ray-tube.
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Work and energy both have the unit?
sveta [45]
The both have the unit (J) for Jules
 
6 0
3 years ago
What happens to a species if the death rate is higher then the birthrate?
AURORKA [14]

Answer:

The population size decreases.

Explanation:

If more of a species are dying than being born, the population size will decrease.

4 0
3 years ago
15 to who helps me out!
s2008m [1.1K]

Answer:

a. same

b. less

c. same

d. same?

Explanation:

the mass will always be the same no matter where it is. the weight however depends on the gravity.

7 0
3 years ago
How do I draw a four-cell battery with the cells connected in series with each other?
Goshia [24]

Answer:

Explanation:

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7 0
3 years ago
Lindsay is planning a flight from St. Catharines to Hamilton, which lies due west of St. Catharines. Her aircraft flies at a spe
olga nikolaevna [1]

Lindsay has to fly this plane towards this direction [W 12.5° S] to get to Hamilton.

From this question, the plane is still up in the air.

We have wind blowing in [W 60° N ]

To solve the problem we have to make use of the sine rule

\frac{SinA}{a}=\frac{SinB}{b} =\frac{SinC}{c}

We put the values in the equation, we have:

50/Sinθ = 200/sin60°

The next step is to cross multiply

50 x sin60° = 200Sinθ

50 x 0.8660 = 200sinθ

We make Sin θ the subject

Sine θ = 43.30/200

sine θ = 0.2165

we find the value of θ

θ = sine⁻¹(0.2165)

θ = 12.50

So Lindsay has to fly this plane towards this direction

[W 12.5° S]

Here is a similar question brainly.com/question/13338067?referrer=searchResults

7 0
3 years ago
Read 2 more answers
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