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2 years ago

Why is an object’s mass, rather than its weight, used to indicate the amount of matter it contains?.

1 answer:

4 0

The mass of an object indicate the amount of matter it contains, and the weight is a force that results from the action of gravity on the mass of the object.

When we are referring to the amount of matter that a body or an object contain we should use the magnitude of the mass and not the weight that is because the weight is a force.

<h3>What is weight?</h3>

It is the physical magnitude that expresses the force exerted by gravity on the mass of a body, this is expressed in units of the international system in Newton.

Learn more about weight at: brainly.com/question/20900476

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The cable supporting a 2130-kg elevator has a maximum strength of 2.18×104 n . what maximum upward acceleration can it give the

Vlada [557]

Answer;

=0.43 m/s²

Solution;

There will be the tension in the cable, T, upwards and the weight of the elevator, mg, downwards.

By Newton's second law, the sum of the forces will be equal to mass×acceleration.

Resultant force = m × a

Then T - mg = ma so the tension in the cable is

T = m(g+a)

The cable will break when T = 21,800 N

Solving for a, that happens when

a = 21800/2130 - g

= 10.23 - g (in m/s^2)

If you're using g = 9.8 m/s^2

Then the maximum acceleration allowed is 10.23-9.8 = 0.43 m/s^2

3 0

3 years ago

An inelastic collision is one in which:

Anna35 [415]

Answer:

The last one

Explanation:

the last one. KE before is greater than after. because

1. Velocity before the collision is greater than after

2. Mass before is smaller than after

3 0

3 years ago

Is the time in Tennessee the same as florida

geniusboy [140]

I would say the same thing as the first answer

5 0

4 years ago

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Why do students and scientists construct scale models of natural phenomena? (1 point) Oto define new units of measurement O to c

KATRIN_1 [288]

Students and scientists construct scale models of natural phenomena to better observe patterns and relationships.

What is natural phenomena?

Things that happen naturally—phenomena—occur or show up without human intervention. Gravity, tides, moons, planets, volcanic lightning, starling swarms, ant armies, sandstorms, biological processes and oscillation, among countless more events, are examples of natural phenomena.

Scientists and students use models to help them visualize their current understanding of a system in the condition that it is in right now.

To learn more about natural phenomena click on the link below:

brainly.com/question/28585198

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6 0

2 years ago

Help pls anybody pro at this

aniked [119]

Answer:

idont no just follow me please sorry need point

4 0

3 years ago

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