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soldier1979 [14.2K]
2 years ago
7

An object is swung in a horizontal circle on a length of string

Physics
1 answer:
Genrish500 [490]2 years ago
4 0

Answer: either 3.20s or 1.18s

Explanation:

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A high school physics student is sitting in a seat read-
Nataly_w [17]

The equilibrium condition allows finding the result for the force that the chair exerts on the student is:

  • The reaction force that the chair exerts on the student's support is equal to the student's weight.

Newton's second law gives the relationship between force, mass and acceleration of bodies, in the special case that the acceleration is is zero equilibrium condition.

            ∑ F = 0

Where F is the external force.

The free body diagram is a diagram of the forces on bodies without the details of the shape of the body, in the attached we can see a diagram of the forces.

Let's analyze the force on the chair.

            N_{chair} - W_{chair} - W_{student} = 0 \\ \\N_{chair} = W_{chair} + W_{student}

Let's analyze the forces on the student.

          N_{student} - W_{student} = 0  \\N_{student} = W _{student}

           

In conclusion using the equilibrium condition we can find the result for the force that the chair exerts on the student is:

  • The reaction force that the chair exerts on the student's support is equal to the student's weight.

Learn more here: brainly.com/question/18117041

7 0
2 years ago
A 263 g ball of clay falls onto a vertical spring.
Elena-2011 [213]

Answer:

d. According to the previous theorem:

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126h^2-2.577h-8.236=0,

h=0.266 m.

Explanation:

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The space shuttle is descending through the earth's atmosphere. How is the force of gravity affected?
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The answer would be C. It will decrease with descent. Hope this helps!
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Answer:

B is the answer

Explanation:

thank you I hope it helps you

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