A car moves at a speed of 50 kilometers/hour. Its kinetic energy is 400 joules. If the same car moves at a speed of 100 kilometers/hour, then its kinetic energy will be

Answers

Answer 1

Answer:

1601.33J

Explanation:

Kinetic energy = 1/2 × mv²

Where;

m = mass (kg)

v = velocity (m/s)

To calculate the kinetic energy of the same car at a different speed, we initially need to calculate the mass of the car.

The initial velocity of the car is 50km/hr = 13.89m/s, while the kinetic energy is 400Joules

K.E = 1/2 × mv²

400 = 1/2 × m × 13.89²

400 = 1/2 × m × 192.93

400 = 96.466m

m = 400/96.466

m = 4.15kg

Mass of the car is 4.15kg

K.E = 1/2mv²

If velocity = 100 kilometers/hour = 27.78m/s

K.E = 1/2 × 4.15 × 27.78²

K.E = 1/2 × 3202.67

K.E = 1601.33J

Answer 2

Answer:

1600j

Explanation:

ke prop to v^2

ke1/v1^2=ke2/v2^2

400/50x50=joules/100x100

400x2x2


Related Questions

I need help on this one and another one pls help

Answers

Answer:

I think the last option which is plant cells

Explanation:

because their wavelength is from 450-475 nm and around 650-675 nm.

Answer:

Plant cells

Explanation:

Does any one know the correct choice for these?! If you are correct ill mark you as the best answer!

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Answer:

1 A 2D

Explanation:

Earth's second atmosphere (atmosphere III) was a thick atmosphere of primarily water vapor and carbon dioxide,
What effects did this have on Earth?

A. Heat energy was retained and water vapor condensed
B. Ultraviolet light split water vapor into hydrogen and oxygen.
C. Increased oxygen allowed reptiles to thrive.
D. Helium and hydrogen gases escaped earth's gravity

Answers

The answer is A.
Heat energy was retained and water vapor condensed . Hope this helps (:

This had the same effect on Earth as it did on Mars. Heat energy was conserved, and water vapor was condensed.

What was the second atmosphere of Earth like?The second atmosphere, which remained on the planet, was formed by volcanic outgassing and comet ices. This atmosphere had almost no oxygen, but plenty of water vapor, carbon dioxide, nitrogen, and methane.When Earth's crust began to cool 2.5 billion years ago, there was less water vapor in the sky, and more water condensed into liquid, resulting in the formation of Earth's second atmosphere.The second atmosphere was formed by volcanic outgassing and comet ices, and it was the first to survive on Earth.A secondary atmosphere is a planet's atmosphere that did not form through accretion during the formation of the planet's star. Instead, a secondary atmosphere forms as a result of internal volcanic activity or the accumulation of material from comet impacts.

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#SPJ2

One of the laws of motion sates, An Object in motion stays in motion

Answers

Answer:

False

Explanation:

An object in motion will not always stay in motion. At one point it will still fall to the ground because of gravity. The answer is no.

Name the two major types of cell transport

Answers

There are two major types of cell transport: passive transport and active transport. Passive transport requires no energy. It occurs when substances move from areas of higher to lower concentration. Types of passive transport include simple diffusion, osmosis, and facilitated diffusion.

Plz help!! We cannot survive without plants, while they would be fine without us. Explain.

Answers

Answer:

We cannot survive without plants because they give us oxygen and food. Plants would be fine without us because the earth gives them everything they need. The sun provides energy; rain, bodies of water, and groundwater provide water; the atmosphere provides nitrogen and carbon dioxide--all of these factors are required for photosynthesis to occur. This is how plants make glucose to feed themselves. Additionally, plants reproduce by several means, whether by pollination or wind spreading seeds to the ground.

Explanation:

Humans cannot survive without plants, while they would be fine without humans because plants produce oxygen.

Photosynthesis:

It is the process in the plant that produces glucose using the Carbon dioxide and water in the presence of sunlight.

During the process plants release Oxygen as byproduct which is used by all animals in the earth.Photosynthetic plants are the only source of Oxygen in the Earth.Plants are the primary producers in the food chain. Hence, consumers will not able to get the food.

Humans do not do anything that is compulsive need of plants.

Therefore, humans cannot survive without plants, while they would be fine without humans.

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Cellular respiration is the__________of photosynthesis ​

Answers

Answer:

Oxygen

Explanation:

In anaerobic cellular respiration, the products could be:

Carbon Dioxide
Glucose
Ethyl Alcohol
Water
ATP
Lactic Acid

(multiple choices)​

Answers

Atp, and lactic acid

What most accurately describes the difference in ATP production between aerobic respiration and anaerobic respiration

Answers

Answer:

aerobic respiration produces 38ATP per glucose while anaerobic respiration produces 2ATP per glucose

Can you please help me w this

Answers

Answer:

I searched but couldn't find anything helpful

Explanation:


wetland that is often in shallow areas along shores

Answers

Answer:

what's the question though

The answer: Marsh

Hope this helps

Which of the types of transport moves molecules by diffusion?
I. Active transport
II. Simple diffusion
III. Facilitated diffusion
IV. Osmosis

Answers

Answer:

Active transport....... hope it help

Tell me if i'm correct please

Please don't lie either :(

Answers

Answer:

the circled ones are the only wrong ones

1. FFBb instead of FfBb

2.FfBb instead of FfBf( i think this was just a typo)

3. FfBb instead of Ffbb

Explanation:

you did well!

How does cellular respiration work in the human body?

Answers

Answer: Cellular respiration is a process in which your body cells use the oxygen you breathe to get energy from the food you eat.

Explanation: During cellular respiration the cell uses oxygen to break down sugar. When the cell uses oxygen to break down sugar, oxygen is used, carbon dioxide is produced, and energy is released. Carbon dioxide is a byproduct of aerobic respiration in humans.

Your body cells use the oxygen you breathe to get energy from the food you eat. This process is called cellular respiration. During cellular respiration the cell uses oxygen to break down sugar. ... When the cell uses oxygen to break down sugar, oxygen is used, carbon dioxide is produced, and energy is released

a diploid cells that enters meiosis with 12 chromosomes...

Answers

Answer:

In humans, the haploid cells made in meiosis are sperm and eggs. When a sperm and an egg join in fertilization, the two haploid sets of chromosomes form a complete diploid set: a new genome.

please help asap thank youuuu

Answers

Answer:

1. mRNA = GGA GAA AUG UGU GCC UCC CUA GCG AUA AGA UAC UAA UGU GCC AAC GCU AGG UAU UAG

Protein = GLY GLU MET CYS ALA SER HIS ALA LLE ARG TYR STOP

2. mRNA = UCA UGA AUU GAG AAU UGA GAG AUU UCU GGU CGU GAG GCU ACU UGA CCU CGA

Protein = SER STOP

3. mRNA = AUU UGA GCC AUG GAU AUC UAC AUU AAU GGG UAG

Protein = LLE STOP

Explanation:

G = C     C = G    T = A      A = U

Protein you keep matching with chart till you get to a stop

formulate a hypothesis for this investigation?​

Answers

Answer:

what investigation?

Explanation:

Which of the following explains why the son has red hair when both of his parents have brown hair?


Mendel’s Law of Segregation


Mendel’s Law of Dominance


Mendel’s Law of Probabilities


Mendel’s Law of Inheritance

Answers

Answer:

because of their grand parents

please hurry!!
Which statement describes one event that happens at deep-ocean trenches?

A. Crust is formed.
B. Mountains are formed.
C. Seafloor spreading occurs.
D. Denser plates slide under lighter plates.

Answers

Answer:

that would be C, seafloor spreading occurs!

Explanation:

Answer:

c

Explanation:

Certain flightless beetles have wings that have no function. Which type of structure are the wings an example of?

Answers

Answer:

I am not completely sure. I would say they are vestigial structures. some use them for display

Explanation:

Answer:

Vestigial Structure

Explanation:

If many trees are removed from a forest by
logging, what is the most immediate effect on the
carbon cycle in that forest?

Answers

Answer:

Trees which would have otherwise decayed and become a part of the carbon cycle would be lost, but the immediate impact of deforestation would be the control of the atmosphere

Explanation:

2.07 Module 02 Exam flvs

Answers

There is a very reliable sores that is telling that the answer is something completely good that would be hard to explain to the human mind but it could be considered correct

Answer:

use the lessons

Explanation:

Match the term in Column 1 to the corresponding statement in Column 2.​

Answers

in-case anybody else had the same column 1 answers but different in the second:

Question-wording bias -- Using words in a survey that influence your answers

Under-coverage -- Not getting complete representation from the population you are studying

Response bias -- Answers that have been unfairly influenced

Bones and cartilage are connective tissues’ prove this with evidences.

Answers

Answer:

hope it helps : )

Explanation:

Cartilage and Bone are specialized forms of connective tissue.

They are both made up of cells embedded in an extracellular matrix.

It is the nature of the matrix that defines the properties of these connective tissues.

Cartilage is thin, avascular, flexible and resistant to compressive forces.

Bone is highly vascularized, and its calcified matrix makes it very strong.

The principle of crosscutting relationships, the law of superposition, the principle of original horizontality, inclusions,
and unconformities help earth scientists date rocks and are examples of

Answers

Answer:

I think the answer is "Steno's principles".

Explanation:

The examples of Steno's laws are

principle of crosscutting relationships.

the law of superposition.

the principle of original horizontality unconformities.

Steno's laws can be regarded as the principle that gives the patterns in which rock layers are deposited and with this law scientists can know the date of  rocks.

These encompasses some laws such as;

law of superposition, law of original horizontality.

law of cross-cutting relationships

law of lateral continuity.

Learn more at:

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Which of these statements is a piece of evidence supporting the theory of evolution?

Answers

Answer:

DNA and the genetic code reflect the shared ancestry of life. DNA comparisons can show how related species are. Biogeography. The global distribution of organisms and the unique features of island species reflect evolution and geological change.

Answer:

C

Explanation:

what molecule is this???​

Answers

Answer:

NUCLEOTIDE

Explanation:

Nitrogenous base molecule is joined to sugar molecule by a glycosidic bond and forms a structure called nucleoside.The nucleoside combines with a phosphate group by an ester bond to form a nucleotide.A unit formed by the attachment of a base of 1' position of sugar is known as nucleoside when nucleoside is linked to phosphoric acid at 5' position of sugar moiety we get a nucleotide.

Please Help Due Soon!!
Place the four images from the cell cycle in the correct chronological order.

A, D, B, C
C, D, B, A
C, B, A, D
B, C, D, A

Answers

Answer:

CBAD

Explanation:

If there is 20% thymine within a DNA molecule. How much guanine is there?

Answers

Answer:

a lot

Explanation:

i dont actually know

Describe the overall goal of photosynthesis and include the complete chemical reactions (in chemical form)

Answers

Answer:

organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.

Explanation:

Mark as brainliest

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