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Lesechka [4]
3 years ago
5

Are rocks made of matter?​

Physics
2 answers:
ololo11 [35]3 years ago
7 0

Answer:

Yes, the rocks are made of matter

Explanation:

Let's remember the definition of matter.

Matter is all that has mass and occupies a place in space. Therefore, if we measure the mass of each rock we will know its mass, the other fact is that rocks like any particular body are occupying a place in an empty space.

The opposite of this is antimatter and can its extent be given by the quantum mechanics.

natita [175]3 years ago
3 0

Answer:

A rock is any naturally occurring solid mass or aggregate of minerals or mineraloid matter. It is categorized by the minerals included, its chemical composition and the way in which it is formed. Rocks are usually grouped into three main groups: igneous rocks, metamorphic rocks and sedimentary rocks.

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A small lab cart and one of larger mass collide and rebound off each other. Which of them has the greater average force on it du
Elza [17]

When a small cart collide with a large mass then during collision they must be in contact with each other for some interval of time

During this contact interval we can say they will exert normal force on each other

This normal force is always equal and opposite on two balls which means this force will follow Newton's III law

It will be same in magnitude but opposite in the direction

So here correct answer would be

<u><em>They both experience the same magnitude of the collision force.</em></u>

4 0
3 years ago
How far will an object move in 6 s if its average
Dafna11 [192]

Given:-

  • Time taken by the particle (t) = 6 s
  • Average speed (v) = 40 m/s

To Find: Distance (s) travelled by the particle.

We know,

s = vt

where,

  • s = Distance travelled,
  • v = Speed &
  • t = Time taken.

Putting the values,

s = (40 m/s)(6 s)

→ s = 240 m ...(Ans.)

6 0
3 years ago
The theory of plate tectonics suggests that about 200 million years ago, all of Earth's land was confined to a single continent
miss Akunina [59]

The answer is D Pangaea

8 0
3 years ago
Read 2 more answers
All music, _______ in the world, is from only ______ notes.​
AnnZ [28]

Answer:

All music in the world, is form only two notes and those notes are described below in detailed explanation.

Explanation:

In the chromatic scale, there are basically seven central musical notes, designated A, B, C, D, E, F, and G. They individual express a separate pitch or frequency. For illustration, the "central" A note has a pitch of 450 Hz, and the "common" B note has a pitch of 495 Hz.

Varieties Of Musical Notes You Require To Understand

Semibreve (Whole Note)

Minim (Half Note)

Crotchet (Quarter Note)

5 0
3 years ago
The differential equation below models the temperature of an 88°C cup of coffee in a 24°C room, where it is known that the coffe
densk [106]

Answer:

y = 24+64\cdot e^{-150\cdot t}

Explanation:

Let solve the differential equation by separating corresponding variables:

\int\limits^t_0\, dt = -\frac{1}{150} \int\limits^y_{y_{o}} \frac{dy}{y-24}

The solution of this equation is:

t = -\frac{1}{150}\cdot (\ln|y-24|-\ln |y_{o}-24|)

The explicit form of the temperature as a function of time is:

\ln |y-24|=-150\cdot t + \ln |y_{o}-24|

y-24 = C\cdot e^{-150\cdot t}

The value of the integration constant is:

C = 64

The complete expression is:

y = 24+64\cdot e^{-150\cdot t}

3 0
3 years ago
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