Biology College

If the velocity of a can increases from 30 ms-1 to 90 ms -1, the kinetic energy
increases by
a. 8 times
b. 9 times
c. 7 times
d. 6 times​

Answers

Answer 1
The answer to this one is 6 times.
Answer 2
Hello!

The right answer is 6times! Then D!

Byye and don’t forget I’m proud of you!!<333

Related Questions

which of the following hypotheses can be tested with experiments? select all that apply

1.) a diet low in sugar reduces the risk for heart disease
2.) coffee increases subject performance on intelligence tests
3.) people that brush their teeth live longer than those who don't brush their teeth
4.) scientists will find a cure for cancer before the year 2020

I know that 4 isn't the answer so I selected the other three and it said I was wrong. isn't a hypotheses something that can be experimented on so can't all of the three have experiments If I'm making sense ​

Answers

I would say 1 and 2 then

Options 1 and 2 can be tested through experimental procedures.

A hypothesis is an explanation for a given phenomenon from the real world.

A testable hypothesis is a plausible explanation that can be proved (or rejected) by an experimental and/or observational procedure.

A well-designed experiment should have into account the following characteristics: randomization, replication and local control.

Manipulation indicates that one variable (dependent variable) is purposefully changed by the scientist in the environment.

The controls must be used to prevent non-controlled factors which might be influencing the outcomes of the experiment.

Option 3: it is not possible to carry out an experiment to test this hypothesis.

Option 4: it is not a hypothesis and a false anachronic statement (cancer is a multifactorial disease that currently still has not been cured).

In conclusion, only Options 1 and 2 can be tested through experimental procedures.

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trình bày cơ chế hấp thụ và chuyển hóa lipid từ đường tiêu hóa ở người?

Answers

Trong dạ dày được tách rời khỏi các chất thực phẩm khác. Trong ruột non, mật hoa tiết ra chất béo trong khi các enzyme tiêu hoá chúng. Các tế bào ruột hấp thụ chất béo. Các a - xít béo chuỗi dài tạo thành một cấu trúc lipoprotein lớn được gọi là một hạch nguyên tử có thể vận chuyển chất béo qua hệ bạch huyết.

1. Which of the following lists includes cellular structures found
in both plant and animal cells?
A. Chloroplasts, cell wall, cell membrane, cytoplasm
B. Vacuoles, cell membrane, nucleus, mitochondria
C. Cell membrane, cytoplasm, nucleus, cell wall
D. Chloroplasts, vacuoles, cell wall, cytoplasm

Answers

Answer:

C. Cell membrane, cytoplasm, nucleus, cell wall

Explanation:The plant cell and the animal cell can be differentiated by the presence of organelles in them.although both are classified as eukaryotes, the presence of the cell wall, vacuoles, and chloroplasts are the most remarkable and distinguishing components of the plant cells which are absent in the animal cells.

15. The movement of molecules in a fluid or gas from a region of higher
concentration to a region of lower concentration is called:

Answers

Explanation:

in gases it is called diffusion:)

please help
Which part of the Sun can be seen only during a solar eclipse? O A. Chromosphere B. Convection zone O C. Corona D. Photosphere​

Answers

Answer:

chromosphere

Explanation:

Its the outmost layer of the sun, the only part that is visible on an eclipse.

Answer:

chromosphere

Explanation:

It is only visible during total solar eclipses or with sophisticated telescopes.

Shania has a family history of a genetically inherited disease. Based on this information, which statement is true? O Shania has an increased risk of the disease. Shania will get the disease at some point in her lifetime. O If Shania makes unhealthy choices, she will get the disease. The disease will be expressed in all her offspring that have that gene.​

Answers

Answer:

Shania will get the disease at some point in her life

Explanation:

this will happen because the sickness is genetically implanted in her family

Answer:

The diesease will be apart of the genes in her offspring.

Explanation:

Often times mothers with the sickness gene will spread down the gene therefore starting the generational infection in the first place.

Here can you help me on this?

Answers

Answer:

Selective breeding

Selective breeding is when u choose 2 organisms with certain desirable characteristics and bread then together

Animals are selectively bread 4 many reasons

- To have a higher yield (meat, milk, eggs)

- Be able to run faster

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