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2 years ago

Give the phases into which matter can be classified, and an example of each

Physics

1 answer:

Aliun [14]2 years ago

8 0

Explanation:

there are 4 phases in which matter could be classified.

1. Solid: an example of this would be the metal copper.

2. Liquid: an example of this would be H2O or water.

3. Gas: an example of this would be oxygen gas or O2

4. Plasma: an example of this would be lightning.

hope this helps :)

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An example of ________ would be the horizontal distance a soccer ball moves between being kicked and touching the ground again.

Marina CMI [18]

Answer:

Range.

Explanation:

Range in projectile motion can be defined as the horizontal distance traveled by an object.

An example of range would be the horizontal distance a soccer ball moves between being kicked and touching the ground again.

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3 years ago

the mass of a high speed train is 4.5 ×× 105 kgkg , and it is traveling forward at a velocity of 8.3 ×× 101 m/sm/s . given that

svlad2 [7]

1. The value of m is 3.735

2. The value of n is 7

<h3>What is momentum? </h3>

Momentum is defined as the product of mass and velocity. It is expressed as

Momentum = mass × velocity

<h3>How to determine the value of m and n</h3>

We can obtain the value of m and n by simply obtaining the momentum in scientific notation. This is illustrated below:

Mass of train = 4.5×10⁵ Kg
Velocity of train = 8.3×10¹ m/s
Momentum =?

Momentum = mass × velocity

Momentum = 4.5×10⁵ × 8.3×10¹

Momentum = 3.735×10⁷ Kg⋅m/s

Thus, the value of m and n are: 3.735 and 7

Learn more about momentum:

brainly.com/question/250648

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4 0

1 year ago

Sand on a beach is covered by other layers of sand over time. The extra layers compress the first layer, packing it tighter and

klio [65]

Sandstone can be classified as sedimentary rock. Hope this helps :) If you have any more questions I'm happy to try and help.

3 0

4 years ago

physics major is cooking breakfast when he notices that the frictional force between the steel spatula and the Dry Steel frying

givi [52]

Answer:0.667 N

Explanation:

Given

It is noticed that Frictional Force is 0.2 N

Coefficient of kinetic Friction $\mu _k=0.3$

We know Friction Force is given by

$f_r=\mu _k\times Normal\ reaction$

therefore

$0.2=\mu _k\times N$

$0.2=0.3\cdot N$

$N=\frac{0.2}{0.3}$

$N=0.667 N$

8 0

3 years ago

Write the nuclear reaction equation for the beta decay of Iodine-131

den301095 [7]

Answer:

$_{53}^{131}I \rightarrow _{54}^{131}Xe + e + \bar{\nu}$

Explanation:

In a beta (minus) decay, a neutron in a nucleus turns into a proton, emitting a fast-moving electron (called beta particle) alongside with an antineutrino.

The general equation for a beta decay is:

$^A_Z X \rightarrow _{Z+1}^AY+^0_{-1}e+ ^0_0\bar{\nu}$ (1)

where

X is the original nucleus

Y is the daughter nucleus

e is the electron

$\bar{\nu}$ is the antineutrino

We observe that:

The mass number (A), which is the sum of protons and neutrons in the nucleus, remains the same in the decay
The atomic number (Z), which is the number of protons in the nucleus, increases by 1 unit

In this problem, the original nucles that we are considering is iodine-131, which is

$_{53}^{131}I$

where

Z = 53 (atomic number of iodine)

A = 131 (mass number)

Using the rule for the general equation (1), the dauther nucleus must have same mass number (131) and atomic number increased by 1 (54, which corresponds to Xenon, Xe), therefore the equation will be:

$_{53}^{131}I \rightarrow _{54}^{131}Xe + e + \bar{\nu}$

7 0

3 years ago

Read 2 more answers

Give the phases into which matter can be classified, and an example of each​

Give the phases into which matter can be classified, and an example of each