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2 years ago

Which option is an example of a physical property?

Physics

2 answers:

Galina-37 [17]2 years ago

7 0

Answer:

Examples of physical properties are: color, smell, freezing point, boiling point, melting point, infra-red spectrum, attraction (paramagnetic) or repulsion (diamagnetic) to magnets, opacity, viscosity and density. (HOPED THIS HELPED ;)

Explanation:

solniwko [45]2 years ago

5 0

This question is incomplete, so here is the complete question:

Which option is an example of a physical property? a. toxicity b. flammability c.pH d. freezing point

Answer: The correct answer is option d. freezing point.

Explanation:

A physical property is any that can be observed or measured without causing any change in the composition of matter, and thus we can be able to describe it.

In this category we can observe<u> texture, color, smell, density, etc. </u>

Each matter has three states: liquid, solid and gaseous, and all matter can exist in each of them.

The boiling point and the melting point are related to these changes in matter, as well as the freezing point.

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The answers include the following:

The unit of length most suitable for measuring the thickness of a cell phone is a meter.
The unit of length most suitable for measuring the height of a backyard tree is a meter.

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This is defined as the standard unit for measuring the length of a body and is denoted as m.

Height is a vertical type of length which is why meter was chosen as the most appropriate choice.

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1 year ago

What is the density of an object with mass of 60 g and a volume of 2cm3

Artemon [7]

Answer:

D=mass /volume

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1 year ago

Calculate the volume of this regular solid.

Nataly [62]

Answer:

V = 42.41cm^3

Explanation:

In order to calculate the volume of the solid, you use the following formula:

$V=\frac{1}{3}\pi r^2 h$

where

r: radius of the circular base of the cone = 3 cm

h: height from the circular base to the peak of the cone = 4.5 cm

You replace the values of r and h in the formula for the volume V:

$V=\frac{1}{3}\pi(3cm)^2(4.5)=42.411cm^3\approx42.41cm^3$

hence, the volume of the solid is 42.41 cm^3

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2 years ago

Question: 23 of 66: If you increase the frequency of a sound wave four times, what will happen to its speed?Select one of the op

zysi [14]

If you increase the frequency of a sound wave four times, t<span>he speed will increase four times. The correct option among all the options that are given in the question is the first option or option "A". This also shows the frequency and speed of the waves are directly proportional to each other. I hope it helps you.</span>

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2 years ago

Read 2 more answers

Desperado, a roller coaster built in Nevada, has a mass of 800 kg. It also has a vertical drop of 225 feet down the first hill.

weeeeeb [17]

Answer:

the work done by friction on the car is 524,582 J.

Explanation:

Given;

mass of the roller coaster, m = 800 kg

distance moved by the coaster, d = 225 ft = 68.58 m

final velocity of the coaster, v = 80 mi/h = 35.76 m/s