Nicolaus Copernicus was considered: a heretic because his theory disagreed with the church a hero because his theory agreed with current beliefs the "Father of Astronomy" because he believed the earth was the center of the solar system

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Answer 1

Answer:

Answer:

A heretic because his beliefs disagreed with the church

Answer 2

Answer: Nicolaus Copernicus was considered the "Father of Astronomy" because he believed the earth was the center of the solar system. The rest of the choices do not answer the question above.

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The forces acting on a falling leaf are

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Answer:

Gravitational and resistance force.

Explanation:

The push or pull on any object which causes an object to move is called force. The forces can be of many types. The forces acting on the falling leaf are :

Gravitational force : The force that acts in downward direction is called the force of gravity. This force pulls every object towards it.
Resistance force/ normal : The force that act opposite to gravitational force is called the resistance force. It opposes the direction of motion of the leaf.

the forces acting on a leaf are gravity and air resistance.In some cases the only force acting on an object is gravity, if that occurs then its called freefall.

What is a longitudinal wave?a. particles that travel in parallel to the direction of energy movement
b. particles that travel in a reverse direction to the direction of energy movement
c. particles that travel perpendicular to the direction of energy movement
d. particles that travel in an intersecting direction to the direction of energy movement

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The answer is 'A', they travel parallel to the direction of motion

Answer:

Explanation:

i learned this last week in school.

When water waves approach an obstacle such as the supports holding up a pier, they will bend around the supports. This wave phenomenon is calleda. reflection.
b. refraction.
c. diffraction.
d. polarization.

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It is called diffraction. C. The spreading out of the waves.

A girl who is watching a plane fly tells her friend that the plane isn’t moving at all. Describe a frame of reference in which the girl’s description would be true

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In the frame of reference of the passengers, flight attendants,
pilot ... anybody ON the plane ... the plane isn't moving at all.

Leon sees a poster that shows a lake in front of a snow-capped mountain. The mountain appears upside down in the lake. Which best explains why the image of the mountain appears in the lake?A.The surface of the lake is smooth.
B.The surface of the lake is transparent.
C.The surface of the lake is polished.
D.The surface of the lake is rough.

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Answer: The correct answer is "The surface of the lake is smooth".

Explanation:

The light gets reflected from the smooth surface at the same angle as it hits that surface. If the light gets reflected in all direction from the rough surface when it hits the surface. Then, there will be diffuse reflection.

In the given problem, Leon sees a poster that shows a lake in front of a snow-capped mountain. The mountain appears upside down in the lake. Here, the water acts like a mirror. The light rays incident on the surface of the water from the mountainthen the reflected rays get reflected back from the smooth surface of the lake. Here, the angle of incidence is equal to the angle of the reflection.

One can see the image of the object on the surface of the lake.

Therefore, the correct option is (A).

Answer:

the answer is a.

Explanation: have a good day loves

Which a vector quantity: speed or velocity?

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Velocity is the vector. It has both size and direction.
Speed is a scalar. It has only size.

Other Questions

Density is ____ per unit volume.

Imagine that a tank is filled with water. The height of the liquid column is 7 meters and the area is 1.5square meters (m2 ). What's the force of gravity acting on the column of water? A. 73,500 N B. 102,900 N C. 68,600 N D. 110,700 N

If the distance around a circular track is 2.0km and if runners run 3 laps, what is the distance travelled?a) 2 km b) 0km c) 3 km d) 6 km

Calculate (A⃗ ×B⃗ )⋅C⃗ for the three vectors A⃗ with magnitude A = 4.86 and angle θA = 23.5 ∘ measured in the sense from the +x - axis toward the +y - axis, B⃗ with B = 4.02 and θB = 60.1 ∘, and C⃗ with magnitude C = 6.02 and in the +z - direction. Vectors A⃗ and B⃗ are in the xy-plane.