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frosja888 [35]
3 years ago
14

What is the name of Newton's first law of motion?

Physics
1 answer:
Ne4ueva [31]3 years ago
3 0
A) law of inertia. an object in motion stays in motion
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The rock and meterstick balance at the 25-cm mark, as shown in the sketch. The meterstick has a mass of 1 kg. What must be the m
liraira [26]

Answer:

<h2>1 kg</h2>

Explanation:

Check the diagram attached below for the diagram.

Let the weight of the rock be W and the mass of the meter stick be M. Note that the mass of the meter stick will be placed at the middle of the meter stick i.e at the 50cm mark

Using the principle of moment to calculate the weight of the rock. It states that the sum of clockwise moments is equal to the sum of anti clockwise moment.

Moment = Force * perpendicular distance

The meterstick acts in the clockwise direction while the rock acys in the anti clockwise direction

Clockwise moment = 1kg * 25 = 25kg/cm

Anticlockwise moment = W * 25cm = 25W kg/cm

Equating both moments of forces

25W = 25

W = 25/23

W = 1 kg

The mass of the rock is also 1 kg

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3 years ago
A (n) ______ is a material that transfers heat well
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A (n) conductor is a material that transfers heat well

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4 0
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Because of friction, rotational kinetic energy is not conserved while the disks' surfaces slip over each other. What is the fina
ikadub [295]

Answer:

See attached picture.

Explanation:

See attached picture for explanation.

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2 years ago
A subwoofer is a type of speaker which plays only the very low notes in a song or movie. Which of the following frequencies woul
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Water is used in car radiators as coolant because of​
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