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Nikitich [7]
3 years ago
12

In this activity, you’ll read two articles about plastics that analyze the material from two different points of view. You’ll al

so check the credibility of the organization that published the articles.
The two articles are published by the Society for Science and the Public (SSP). Read about SSP’s mission and history. Do you think SSP is an organization that can be trusted to write truthful articles? Explain your reasoning.

Article: https://www.societyforscience.org/mission-and-history/
Physics
1 answer:
ipn [44]3 years ago
3 0

Answer:

ok thanks

Explanation:

I will read the article

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The force diagram represents a girl pulling a sled with a mass of 6.0 kg to the left with a force of 10.0 N at a 30.0 degree ang
Vilka [71]
Normal Force = 54 N
acceleration = 1.2 m/s^2

For Normal Force:
According to the force diagram, we can come up with the equation (all up and down forces):

10 sin 30 + Normal Force - 58.8 = 0
Normal Force = 53.8 N = 54 N

For acceleration:
According to the force diagram, we can come up with the equation (all left and right forces):

10 cos 30 - 1.5 = (6.0) (Acceleration)
Acceleration = 1.19 m/s^2 = 1.2 m/s^2 
3 0
3 years ago
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Write a hypothesis about the effects of magnetic and electric fields. Use the format of "if . . . then . . . because . . ." and
steposvetlana [31]

If the charged particle moves in the magnetic field or electric field, then it experiences  magnetic force or electric force because of its magnetic or electric properties.

<h3>What is magnetic field?</h3>

The magnetic field is the region of space where a charged object experiences magnetic force when it is moving.

When a charged particle such as an electron or proton moves inside a conductor, magnetic lines of force rotate around the particle. This relative motion causes the magnetic field to generate.

Thus, If the charged particle moves in the magnetic field or electric field, then it experiences  magnetic force or electric force because of its magnetic or electric properties.

Learn more about magnetic field.

brainly.com/question/14848188

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7 0
2 years ago
which unit of measure would scientist use to measure the thickness of rock layer, created as a result of volcanic activity
frozen [14]
A scientist would use a unit of length appropriate for the magnitude of what he or she is measuring. In this case, since rock is built up very slowly, they would probably use millimetres or centimetres. In some cases they may use meters. 
3 0
3 years ago
Read 2 more answers
In medieval warfare, one of the greatest technological advancement was the trebuchet. The trebuchet was used to sling rocks into
NNADVOKAT [17]

Answer:

2) a_y= -g  3) vₓ=constant v_y = v_{oy} - g t, 4)  vₓ = v₀ₓ - ax t

5)  changes the horizontal speed, should change range

7) changes the vertical speed change the maximum height

Explanation:

1) After reading your long writing, we are going to solve the exercise, in the attachment you can see the different vectors.

2) The acceleration vectors are vertical and directed downwards due to the attraction of the Earth (gravity force) this force is constant, on the x axis there is no acceleration

3) the velocity vectors on the x-axis are constant because there are no relationships and the y-axis changes value according to the expression

           v_y = v_{oy} - gt

at the point of maximum height, vy = 0 is equal to the maximum height

4) For someone to change the horizontal acceleration we must assume a friction with the air, in this case they relate it would be in the opposite direction to the horizontal speed

In the graph it would be directed to the left, therefore the velocity would be

           vₓ = v₀ₓ - ax t

5 and 6) If someone changes the horizontal speed, they should change the range of the shot for greater horizontal speed, the rock goes further.

the equations of motion are

           x = v₀ₓ t

           y = v_{oy} t - ½ g t²

7) If someone changes the vertical speed change the maximum height, but not the scope of the shot, for higher speed higher maximum height,

the equations of motion are the same.

4 0
3 years ago
What is kinematic in physics
Scrat [10]

Answer:

Kinematics, branch of physics and a subdivision of classical mechanics concerned with the geometrically possible motion of a body or system of bodies without consideration of the forces involved (i.e., causes and effects of the motions).

Explanation:

*This answer came from https://www.britannica.com/science/kinematics

7 0
3 years ago
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