PHYSICS HIGH SCHOOL

Is it possible to get a body accelerated even if it is moving with uniform speed? justify.​

Answers

Answer 1
Answer:

Answer:Yes, A body can have constant speed but still accelerate as in case of uniform circular motion. In uniform circular motion speed remains constant and direction of velocity changes with every point in the direction of tangent drawn from that point.

Explaination:

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What are 3 types of cells that helper T cells produce upon being an alarmed of an antigen? Thanks for your help!! :)

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Whenever these are an alarming due to a foreign antigen, the Helper T cells, Memory T cells, and Cytotoxic T cells are being produced. Helper T cells to recognize the specific foreign antigen that is entering the body, Memory T cells to remember the specific foreign antigen that is attacking, and Cytotoxic T cells that are for the destruction of the foreign cells and produce cytokines to attract macrophages

a penny dropped into a wishing well reaches the bottom in 1.50 seconds. what was the velocity at impact

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On Earth, the acceleration of gravity is 9.8 m/s² downward. 
This means that any falling object gains 9.8 m/s of speed downward
for every second it falls. 

Since the penny fell for 1.5 seconds, its downward speed at the
end of that time is (1.5 x 9.8) = 14.7 m/s faster than at the beginning
of that time. 

Since it was dropped gently from somebody's hand ... and not THROWN
down ... its speed at the beginning is zero.  So its speed after 1.5 seconds
is 14.7 m/s, and its velocity after 1.5 seconds is 14.7 m/s downward.

The greater the mass is in an object, the higher resistance to a change in movement the object will have. Please select the best answer from the choices provideda. True
b. False

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This statement is true. The greater the mass is in an object, it is indeed the higher resistance to a change in movement the object will have. That only mean that the mass of an object and its resistance to change of movement is directly proportional.

How many neutrons does element X have if its atomic number is 38 and its mass number is 71?

Answers

Answer:

The element has 33 neutrons

Explanation:

1. Find the mass number:

Mass number = number of protons + number of neutrons

Mass number = 71

2. Find the atomic number:

Atomic number = number of protons

Atomic number = 38

3. Find the number of neutrons:

Number of neutrons = Mass number - Atomic number

Number of neutrons = 71 - 38

Number of neutrons = 33
The nucleus of an atom has some protons and some neutrons in it.
The "mass number" is the total number of all particles in the nucleus. 
The "atomic number" is the number of protons in the nucleus.

Element X has 71 particles in the nucleus, and 38 of them are protons.
So (71-38) = 33 of them are neutrons.

Statement. H,, and are distinct points that are coplanar.

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Answer:

Explanation:

The statement "H, M, and N are distinct points that are coplanar" means that:

1. "H," "M," and "N" are specific points in space.

2. These points are different from each other, meaning they do not coincide or overlap.

3. All three points lie within the same plane. In other words, they share a common flat surface or two-dimensional space.

This statement is often used in geometry and mathematics to describe the relative positions of points in a two-dimensional space or on a flat surface. It indicates that these points can be represented on the same plane, and their relationships, distances, and angles can be analyzed within that plane.

While researching machines and how they work, Tika finds several online sites that discuss how force and distance are related to work done by a machine.How should Tika most likely describe this relationship between force and distance to her study group?

If the input force is less than the output force, then the input distance must be greater than the output distance.
If the input force is greater than the output force, then the input distance must be greater than the output distance.
If the input force is less than the output force, then the input distance must be the same as the output distance.
If the input force is equal to the output force, then the input distance must be greater than the output distance.

Answers

The right answer for the question that is being asked and shown above is that: "If the input force is greater than the output force, then the input distance must be greater than the output distance." Tika most likely describe this relationship between force and distance to her study group is that If the input force is greater than the output force, then the input distance must be greater than the output distance.

Answer:

If the input force is less than the output force, then the input distance must be greater than the output distance.

Explanation:

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