The expression “like a ton of bricks” means “very hard.” Would being hit by an actual ton of bricks hurt if it happened on the moon? A. Yes, it would hurt because the bricks would still have the same weight B. No, it would not hurt as much because the bricks would have less weight C. Yes, it would hurt because the bricks would still have the same mass D. No, it would not hurt as much because the bricks would have less mass.

Answers

Answer 1

Answer:

The correct option is;

C. Yes, it would hurt because the bricks would still have the same mass

Explanation:

Given that the expression "like a ton of brick" refers to the tendency of an object being crushed by another object, which is due to the impact of the force, and from Newton's law a force is proportional to the rate of change of momentum produced, therefor if the brick of the same mass is given the same velocity as it had on the Earth while the person remains stationary, it will hurt if the brick hits the person.


Related Questions

What gives the color and shape characteristics to flames in a fire?

Answers

Answer:

Different ions of different elements (usually metals) make a flame burn with a characteristic color when introduced into the reaction zone; the different colors are caused by the different quantized energy levels of the electrons in the different atoms.

what are the trends of group 1 metals on the periodic table as the metals go down?

Answers

Answer:

The reactivity of group 1 elements increases as you go down the group because: the atoms become larger. the outer electron becomes further from the nucleus. the force of attraction between the nucleus and the outer electron decreases.

Explanation:

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Question 6
1 pts
A scientist is studying a homogeneous solid with a consistent and ordered arrangement in
the lab. Which specialty is the scientist most likely working in?

Answers

Answer:

He is probably studying Geomorphology.

Explanation:

Geology is the science that studies the composition, structure, dynamics, and history of planet Earth, the processes by which it has evolved including everything that has to do with its natural resources and with this the processes that affect the surface, and therefore, the environment.

Geomorphology is a branch of geosciences, more specifically geography and geology. One of his most interesting models explains the ways in which the earth's surface is the result of a consistent dynamic balance.

Fill in the blanks with the correct word. During diffusion, molecules move from areas of concentration to areas of Diffusion does not require to move molecules. concentration. Previous Activity


TRY A LITTLE -_-
Will give brainliest :)​

Answers

Answer:

1) higher

2) lower

1) energy

Explanation:

hope this helps you.

I would really like a brainliest :D

thank you and have a nice day.

Answer:

1) higher

2) lower

1) energy

Explanation:

wafting the air above a chemical is one way to it directly

Answers

Answer:

Explanation:

All it takes is a momentary lapse in concentration. When you are in the laboratory and take a direct sniff of the chemicals you are using, you run the risk of damaging your mucous membranes or your lungs.

how many significant figures are in the number 0.001022?

Answers

Answer:

4 sig figs.

Explanation:

Significant Figures Rules:

1. Anything that isn't a zero is a sig fig

2. If a decimal point comes after the ones digit, everything before the decimal is counted as sig fig (i.e 2000. would be 4 sig figs).

3. If we are dealing with small decimals, the zero before and after the decimal (i.e 0.002) is a placeholder and is not counted as sig figs.

4. Any zeros between 2 significant digits is considered in sig figs (i.e 2002 would be 4 sig figs).

We look at 0.001022.

We know that 0.00 are not sig figs and are placeholders.

We know that 1022 are significant digits and figures, and we have 4 of them.

Therefore, we have 4 sig figs.

My answer to the question is 4 significant figures.

Suppose that 7.25 x 10^22 atoms of a hypothetical element have a mass of 3.88 g. What would be the molar mass (g/mol) of this element ? Correct number of sig figs are required.

Answers

Answer:

32.23 to 4 significant figures.

Explanation:

The molar mass of the element is the mass of 6.022 * 10^23 atoms (Avogadro's number).

So by proportion it is 6.022 * 10^23 * 3.88 / 7.25 * 10^22

= 32.23 to 4 significant figures.

what is the mass of 975 mL of mercury? Its density is 13.5 g/mL

Answers

Answer:

72.22 g

Explanation:

975 mL Mercury× 13.5 g/mL = 72.22 g

Which of the following properly describes the movement of atoms as they represent the states of matter? Atoms making liquids have less attraction than solids, but more than gases Atoms making liquids have less attraction than solids, but more than gases The atoms making liquids are closer together than atoms making solids. The atoms making liquids are closer together than atoms making solids. The atoms that make solids do not move at all which is why they keep their shape. The atoms that make solids do not move at all which is why they keep their shape. Atoms making gases have the least amount of kinetic energy while solids have the most.

Answers

Answer:

Atoms making liquids have less attraction than solids, but more than gases

Explanation:

The attraction between atoms in different molecules in a solid is very strong due to strong intermolecular forces present in a solid. However, such intermolecular forces are weaker in liquids than in solids.

This implies that the solid has higher intermolecular forces of attraction compared to gases and liquids. Based on the negligible degree of intermolecular forces between them, a gas has the weakest intermolecular forces hence the atom has very minimal interaction between them.

What is the relationship between the sequence of DNA’s subcomponents and the properties of DNA? 1. The amino acid sequence along a segment of DNA determines the three-dimensional shape of the protein that will be produced. 2. The deoxyribose sequence in a DNA molecule determines the complementary molecule that will form double stranded DNA. 3. The nitrogenous base sequence along a segment of DNA determines the amino acid sequence that will be produced. 4. The sequence of enzymes in a DNA molecule determines the direction in which DNA will be transcribed into mRNA.

Answers

Answer:

3.

Explanation:

There are four nitrogenous bases in a DNA including guanine (G), adenine (A), cytosine (C) and Thymine (T) and together they form the nitrogenous base sequence arranged in a specific order of three letters such as GAC and TAG to form a genetic code.

These nitrogenous base sequences forming genetic code are amino acid specific and determine the amino acid sequence in DNA. for example: CTT determines leucine and GTT determines valine.

Hence, the correct option is "3".

What is the frequency of individuals with doctorates who work in the field of physical science? 0-1,000 1,000-2,000 2,000-3,000 3,000-4,000

Answers

Answer: The answer is option B

1,000-2,000

Explanation:

Oleophilic materials would not be used for ?

Answers

Answer:

An oleophilic material is an entity which exhibits a higher affinity for oil than other solvents. The non-polar nature and ability to form cluster-like structures called micelles are the characteristic properties of oleophilic materials.

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In recent research, strontium ions have been used for bone regeneration within humans as a calcium replacement. Based on your knowledge of periodic information, explain why is strontium a good substitute for calcium instead of other elements on the periodic table. [Hint: think about the way elements are organized based on their common characteristics] *

Answers

Answer:

Strontium, as opposed to other elements on the periodic table (with the exception of others in the same group/column i.e., the vertical direction), is a good substitute for Calcium because they are in the same group.

Explanation:

This is because elements of the same group behave similarly and have similar properties. This is due to the fact that elements of the same group (in the vertical direction) have the same number of valence electrons.

How many grams are there in 1.45 kg?

Answers

Answer:

1.45 kg

Explanation:

common sense ok

Answer:

1450 grams are in 1.45 kilograms

ln what ways are solid- solid mixture categorized​

Answers

Answer:

homogeneous mixture

Which is the best practice recommended in the safety video to mix and acid or a base with a solvent?

Answers

Answer:

Never pour water into acid but acid into water

Explanation:

If water is poured into extremely concentrated acid/bases, the rate of volatility and exothermic reaction is too rapid and might cause a chemical eruption, leading to acid burns.

Safety precautions hence dictate the reverse is practiced.

I believe this is a clear answer.

3 facts about the core

Answers

Answer:

The inner core is a hot, dense ball of (mostly) iron. It has a radius of about 1,220 kilometers (758 miles). Temperature in the inner core is about 5,200° Celsius (9,392° Fahrenheit). The pressure is nearly 3.6 million atmosphere (atm).

Explanation:

what claim is being made?

Answers

the correct answer is c

Answer:

D

Explanation:

because it's saying the diet soda has more calories then regular soda it's like someone claimed you of doing something you didn't do and they don't know that

What is 6.9 x 10^-3 in standard form?

Answers

Answer:

0.0069

Explanation:

When converting between scientific notation try to remember that moving the decimal place to the left is positve and to the right is negative

Since you are changing from scientific to standard you will need to move to the left from the decimal point, making your answer 0.0069

What is the maximum number of covalent bonds that an oxygen atom with atomic number 8 can make with hydrogen?

Answers

Answer:

2

Explanation:

Oxygen has 6 electrons in its valence shell.  Since an atom can have a maximum of 8 electrons in the valence shell, oxygen has 2 empty spots in its valence.  This means that oxygen can make 2 single covalent bonds.

The maximum number of covalent bonds that an oxygen atom with atomic number 8 can make with hydrogen is: 2.

Valency can be defined as a measure of the combining power of a chemical element with other atoms to form a molecule or chemical compound.  Typically, valency is measured by the amount of hydrogen atoms that a chemical element can combine with or displace to form a molecule or chemical compound.

Valence electrons can be defined as the number of electrons present in the outermost shell of an atom. Valence electrons are used to determine whether an atom or group of elements found in a periodic table can bond with others.

From the periodic table, we know that an oxygen atom has an atomic number of eight (8). Thus, oxygen has six (6) electrons in its valence shell and two (2) empty shells to form a covalent bond with hydrogen.  

Generally, the maximum number of electrons an atom can hold in its valence shell is eight (8) and since oxygen has has six (6) electrons in its valence shell; it ultimately implies that the maximum number of covalent bonds that an oxygen atom with atomic number of eight (8) can make with hydrogen is two (2) covalent bonds.

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Identity which statement is true:
A. Isotopes of the same element have the same atomic number and mass number, but a different
number of neutrons.
B. Isotopes of the same element have the same mass number and different atomic numbers.
C. Isotopes of the same element have the same atomic number and different mass numbers.
D. Isotopes of the same element have the same number of neutrons and a different number of protons.

Answers

ans :C
same proton(atomic no.) and electron, diff neutrons
mass no= electrons + neutrons


Isotopes of the same element have the same atomic number and different mass numbers. Hence, option C is correct.

What are Isotopes?

Isotopes are defined as chemical species which have the same number of protons but differ in the number of neutrons.

It can also be said that they are the chemical species of the same element which have the same atomic number but have different mass numbers.

For Example, C12 and C14 are the isotopes of carbon elements, which have the same atomic number but a different mass numbers.

Hence, option C is correct.

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At 20 degrees Celsius the density of mercury is 13.6 g/cm cubed. What is the mass of 50.0 ml of mercury at 20 degrees Celsius?

Answers

The value of mass is 680 g.

Density:-

It is defined as mass per unit volume.

Given:-

[tex]Density=13.6\ g/cm^{3} \\Volume=50\ mL[/tex]

Calculate mass as follows:-

[tex]Density=Mass/Volume\\13.6\ g/cm^{3} = Mass/50.0\ mL\\Mass=13.6\ g/cm^{3} \times50.0\ mL[/tex]

Relationship used:-

[tex]1\ cm^{3} =1\ mL[/tex]

[tex]Mass=680\ g[/tex]

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i need help with these three

Answers

hypothesis, conclusion

True or False: PERIODS on the periodic table run up and down.

Answers

Answer:

True

Explanation:

I guessed XD But I also used Google and that's what I got

The answer is true PERIODS on the periodic table run up and down

If the size, mass, and arrangement of atoms affect the density of a substance. How might these factors work together to cause a substance to have a low density?

Answers

Answer:  The size, mass, and arrangement of atoms affect the density of a substance. How might these factors work together to cause a substance to have a high density? A substance with smaller more massive atoms that are close together is going to have a higher density.

Explanation:

Question 1
10 pts
A student fills a graduated cylinder with water to a volume of 22.4mL. After adding a
metal sample, the volume of the water rises to 26.2 mL. What is the volume of the
metal sample?
3.8 ml
0 22.4 mL
0 26.2 mL
O 48.6 mL

Answers

Answer:

3.8

Explanation:

Please help me fast, i don't understand it.

Answers

What you are doing is correct just continue counting each hydrogen atom
Basically you have to find how many Hydrogen atoms are in the compound. The number in the corner should tell you.

C18H36O10 would be 36.
C4H10 would be 10.
NH3 would be 3.
NaHCO3 would be 1.
C6H12O6 would be 12.
H2 would be 2.

What is the correct representation of 702.0 g in scientific notation?
A. 7.02 x 103g
B. 70.20 x 101 g
C. 7.020 x 102 g
D. 70.20 x 102 g
(answer fast !!)

Answers

Answer:

C. 7.020 x 10^2 g

Explanation:

To convert to scientific notation, move the decimal until there is only one digit greater than 1 and less than 10 before the decimal. In this case, the 7. (Depending on the conversion, you will either move the decimal to the left or right. In this question, you will need to move it left. When you move the decimal left, you inherently think you are moving it in the negative direction, but your final answer will be a positive exponent. The opposite is true for movement in the right direction, leaving a negative exponent in your final answer.)

Then, count the number of places that you moved the decimal from the original number (in this case, you moved it 2 decimal places to the left).

Because you moved the decimal 2 places to the left (-), when you write it in scientific notation, you want to annotate the exponent as the opposite, (+), so that you do not lose the equivalence of the original number (in this case, state it as 10^2 as in choice C).  

Note: Once you do your conversion, you can plug it into your calculator and press "=" to verify that you did not change the number in doing your conversion.

Taking into account the definition of Scientific notation, the correct representation of 702.0 g in scientific notation is option C. 7.020×10² g.

First of all, scientific notation is a quick way to represent a number using powers of base 10. This notation is used to be able to express very large or very small numbers very easily.

The numbers are written as a product:

a×10ⁿ

where:

a is a real number greater than or equal to 1 and less than 10, to which a decimal point is added after the first digit if it is a non-integer number. n = a whole number, which is called an exponent or an order of magnitude. Represents the number of times the point decimal is shifted. It is always an integer, positive if it is shifted to the left, negative if it is shifted to the right.

In this case, to write the number 702.0 in scientific notation, the following steps are performed:

The decimal point is moved to the left as many spaces until it reaches the right of the first digit. This number will be the value of a in the previous expression. Then a = 7.020 The base 10 is written with the exponent equal to the number of spaces that the decimal point moves. This is a positive number because the decimal point is shifted to the left, and it will have a value of n = 2.

So, the correct representation of 702.0 g in scientific notation is option C. 7.020×10² g.

Learn more about scientific notation:

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Which statement best describes chemical properties of matter?

Answers

There is not enough information for this to be answered

Answer:

Chemical properties, such as combustibility, are generally observed as the identity of a substance changes and one or more new substances form.

Explanation:

i took the test:P

Hope this helps!

Which statement accurately describes humidity?
O Humidity is a measure of dew in the air.
O Colder air promotes more evaporation.
O Cold air holds more moisture than warm air.
O Humidity refers to the amount of water vapor in the air.

Answers

Humidity refers to the amount of water vapor in the air accurately describes it.

What is Water vapor?

This can be defined as the gaseous phase of water as a result of heating in the atmosphere.

The amount of the water vapor in air is what is referred to as humidity which makes option D the most appropriate choice.

Read more about Humidity here https://brainly.com/question/5369085

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