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Cerrena [4.2K]
2 years ago
6

a spring has a force constant of 100 n/m and an unstretched length of 0.07 m. one end is attached to a post that is free to rota

te in the center of a smooth table, as shown in the top view above. the other end is attached to a 1 kg disc moving in uniform circular motion on the table, which stretches the spring by 0.03 m. friction is negligible. what is the centripetal force on the disc?
Physics
1 answer:
Digiron [165]2 years ago
6 0

F equals 3N with respect to the circle's center, moving in the same direction as the centripetal acceleration.

<h3>How much centripetal force is there in a centrifuge?</h3>

Centripetal force is the force that pushes an item in the direction of its center of curvature. It is fundamental to how a centrifuge operates.

<h3>On a roller coaster, what is centripetal force?</h3>

An item travelling in a circle is pushed inward toward what is known as the center of rotation, which is essentially what a roller coaster accomplishes when it travels through a loop. The force that maintains an object moving along a curved route is this pull toward the center, or centripetal force.

To know more about centripetal force visit:-

brainly.com/question/11324711

#SPJ4

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Eric a chemist is running tests with four unknown elements he has found that they all bond the same way so he knows that they ar
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The elements most likely are halogens because if we talk about manner of bonding they all are diatomic molecules and need one electron to fill their outermost shell. That is why they bond with other atom of own type and exist as diatomic molecule in pure state. However, all halogens are so reactive that they react with metals through strongest type of ionic bonds and form salts.

They all tend to form salts when they react with metals like NaCl and that is why they are commonly known as salt dormers.

They perfectly show significant trends in some properties like atomic radius increases from top to bottom, boiling and melting temperature increase down the group and electronegativity value decrease from top to bottom.

The elements belong to group 17.

Hope it helps!

6 0
3 years ago
Read 2 more answers
If a boy weighs 490 N and stands on a flat rough surface with a
OleMash [197]

The force of static friction acting on the boy is 333 Newtons.

Hence, option (d) 333N is the correct answer.

Given the data in the question;

  • Weight of boy; F_n = 490N
  • Coefficient of static friction; u_s = 0.68

Force of static friction acting on the boy; F_s = \ ?

<h3>Friction</h3>

Friction is simply referred as the resistance an object experience when moving or trying to move over another object. It can either by dynamic or static.

Static friction is the resistance experienced by a body at rest.

Coefficient of friction is the measure of how easily a body moves in relation to the other.

Static friction is expressed as;

F_s = u_s * F_n

Where F_s is the normal force and u_s is the coefficient of static friction.

We substitute our given values into the equation above

F_s = u_s * F_n\\\\F_s = 0.68 * 490N\\\\F_s = 333.2N\\\\F_s = 333N

The force of static friction acting on the boy is 333 Newtons.

Hence, option (d) 333N is the correct answer.

Learn more friction: brainly.com/question/17237604

8 0
3 years ago
Will the temperature of a plastic or wooden spoon be more than the temperature of a metal spoon if you put both of these in a cu
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Answer:

no

Explanation:

the metal spoon would be higher temperature

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Answer:

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