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Marizza181 [45]
3 years ago
7

Who is the scientist who developed the planetary model of the atom

Physics
1 answer:
Maurinko [17]3 years ago
7 0

Neils Bohr

In 1913, Neils Bohr, a student of Rutherford 's, developed a new model of the atom. He proposed that electrons are arranged in concentric circular orbits around the nucleus. This model is patterned on the solar system and is known as the planetary model.

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Select the correct answer. Which healthy snack can provide protein after physical activity? A. an orange slice B. pretzels C. yo
STatiana [176]

Which healthy snack can provide protein after physical activity?

an orange

8 0
3 years ago
Read 2 more answers
A horizontal force pushes a 26 kg sled along a driveway for a distance of 36 m. If the coefficient of sliding friction is 0.2, w
SVETLANKA909090 [29]

Answer:1834.56 joules

Explanation:

Distance=36m

Coefficient of friction=0.2

Mass=26kg

Acceleration due to gravity=9.8m/s^2

Reaction=mass x acceleration due to gravity

Reaction=26 x 9.8

Reaction=254.8N

Coefficient of friction=frictional force ➗ reaction

0.2=frictional force ➗ 254.8

Frictional force=0.2 x 254.8

Frictional force=50.96N

work=friction force x distance

Work=50.96 x 36

Work=1834.56

Work=1834.56 joules

8 0
4 years ago
5. A 4.00 kg object slides down a frictionless inclined plane with an acceleration of 3.00 m/s2. What is the angle of the inclin
Kazeer [188]

Answer:

The angle of the incline above horizontal is 17.81 degrees.

Explanation:

Given that,

Mass of the object, m = 4 kg

Acceleration of the object above the incline, a=3\ m/s^2

We need to find the angle of the incline above horizontal. The net force acting on the object along the incline is given by :

F_{net}=mg\ sin\theta

ma=mg\ sin\theta

a=g\ sin\theta

sin\theta=\dfrac{a}{g}

sin\theta=\dfrac{3}{9.8}

\theta=17.81^{\circ}

So, the angle of the incline above horizontal is 17.81 degrees. Hence, this is the required solution.

5 0
4 years ago
What are 3 artificial and 2 natural sources of electromagnetic radiation?
KatRina [158]

Answer: its b bro

Explanation:

ajafa'jfbA'FJ

8 0
3 years ago
What is any push or pull on an object called?
lesantik [10]

Answer:

A force is a push or pull upon an object resulting from the object's interaction with another object. Whenever there is an interaction between two objects, there is a force upon each of the objects.

Explanation:

6 0
3 years ago
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