Describe two examples (different from the ones in the lesson) in which you have noticed friction creating thermal energy

Answers

Answer 1

Answer:

-First, when a car is driving the wheels meet friction all the time, as that happens the wheels get a bit hot.

-Second, when you are cold you rub your hands together fast until they are warm.

Explanation:


Related Questions

Maintaining a balance of microorganisms in your gut is an example of which characteristic of life?

Answers

Answer:

Im not sure i just neededd a freebie

Explanation:

e

how much force is needed to lift something with a mass of 1kg

Answers

Answer:

Lets be clear, in an inertial frame of reference it will take 1 newton to move 1 kilogram 1 meter in one second(roughly). 1 joule in that newton, 1/speed of light = incremental mass increase( irrelevant) . So, to move 1 kg of mass 1 meter in 0.00000003 seconds would take 300,000,000 joules(fun).

That divided by speed of light again and your 1kg mass is now 2 kg. Now to move 2 kg 1 meter would take more energy than previously. More energy (newtons) the more relativistic mass gained and thus more energy required to move faster. This is why we cant reach the speed of light - infinite energy. ( again irrelevent to the Question).

But in your question you said lift. Lift is a term that I would find on earth, in a gravity well, so moving that same 1kg of mass wouldn't take 1 newton because the gravitational force pulls the mass down, causing a force called weight - this would be 9.8 N x Mass at sea level. So to lift this 1kg mass will take more than 9.8 N. 10 newtons of life would create a net force of 0.2 N so 0.2/1 = 0.2 meters acceleration.

Note that, gravitational force is one side of the same coin, with acceleration on the other. We talk of gravitation in terms of acceleration, as two masses that are not identical will always fall at the same acceleration. Gravity isn't a force, its a four dimensional field that curves linear paths toward attracting bodies - this is how we are able to orbit objects in space.

CAN SOMEONE HELP ME WITH THIS ECOLOGY QUESTION

Answers

I believe the termites and flagellates have a mutualistic relationship

4. Skin color is determined by
a. The amount of blood
b. Pigments
c. Oxidization level of the blood
d. All of these

Answers

Answer:

the answer is pigments which is melanin. Have a nice day!!

how many mcdonalds big mac's would you have to eat for your stomach to rupture

Answers

Answer:

Depends usually I would say around 25-40 range

Explanation:

Around 40- 60 with all the grease and fat it’s around that

how were sucrose and cellulose formed

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The molecules are joined by loss of water to give the disaccharide sucrose.

Which of the following might be a density-independent limiting factor for a group of kangaroo rats?

1. amount of grass

2. flash floods

3. disease

4. predators

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The answer is flash floods (:

A lizard sitting on a rock would be considered the level of organization.

Answers

Answer:

Organism

Explanation:

The organism level of organization is the level of organisation that comes after the organ system level of organisation. The organism level of organisation is the level at which the living system is complete and comprises of the interconnection and synergy of the lower organization levels.

At the organism or life form organizational level, all the characteristics of living things are manifested.

The basic living system, a functional grouping of the lower-level components, including at least one cell.

Choose 2 of the following cycles (carbon, phosphorus, nitrogen, water) and describe each stage of them thoroughly.

Answers

Answer:

Water-The entire process of water cycle takes place in almost five steps which includes the evaporation, condensation, precipitation, infiltration, and runoff. To begin with, water gets evaporated from the water bodies on the surface of earth like rivers, oceans etc. into the overlying atmosphere.

Nitrogen-The nitrogen cycle is split up into five main processes. These processes are nitrogen fixation, assimilation, ammonification, nitrification, and denitrification. Each of these play an important role in movement of nitrogen through the different ecosystems on earth.

When an enzyme doesn't work properly it is said to be __________________. Three things that can cause this are _______________, ________________and ______________

Answers

Answer:

Explanation:

When enzyme does not work properly it is said to be inactive and this affect its efficiency.

Substrate concentration - Enzyme requires adequate substrate concentration to be effective, when the concentration is high the enzyme activity increases and when it is low it decreases.

Temperature - Enzymes are more active at specific temperature at very high temperature enzyme can be denatured leading to a loss of its activity. Hence, enzyme should be made to work at its optimum.

pH- Enzymes are active at specific pH, when the pH is altered enzymatic activity may be reduced or enzyme become inactive. Hence, pH of enzymes should be maitained.

PLEASE HELPPPP
What is an example of codominance:
-When a red flower is bred with a white flower and the flowers in the next generation are all pink.
-When a red flower is bred with a white flower and the flowers in the next generation have stripes of red and white.
-When a red flower is bred with a white flower and in the next generation all the flowers are white.

Answers

Answer:

An example of codominance would be when a red and white flower breed a pink flower.

What type of organism is an antlion? (Producer, Herbivore, Carnivore, Omnivore)

Answers

Antlions are an insect under the order of Net-Winged insects, under the family of Myrmeleontidae. They dig pits to trap passing ants and other insect larvae, like caterpillars. They are carnivorous; more specifically, they are insectivores, in that they eat insects.

when net force equals 0

Answers

Answer:

When the object is at rest (the acceleration is zero) or moving at a constant velocity.

Answer:

The net force is the vector sum of all the forces acting on an object. When an object is in equilibrium (either at rest or moving with constant velocity), the net force acting on it zero. A vector can only have zero magnitude if all of its components are zero.

During transcription how many nucleotides are added to the growing RNA Chain?

Answers

Answer:

Bacteria use the same RNA polymerase to transcribe all of their genes. Like DNA polymerase, RNA polymerase adds nucleotides one by one to the 3′-OH group of the growing nucleotide chain.

Explanation:

During transcription, one nucleotide is added to the growing RNA Chain, extending the RNA chain in the 5′-to-3′ direction.

How does process transcription synthesize RNA Chain?

The DNA helix is unwound right before the active site for polymerization by the RNA polymerase, exposing a fresh area of the template strand for complementary base pairing. This process extends the RNA chain in the 5′-to-3′ direction by one nucleotide at a time.

An RNA strand that is complementary to a DNA template is created by RNA polymerase. While reading the template DNA strand in the 3' to 5' direction, it synthesizes the RNA strand in the 5' to 3' direction. The RNA and DNA strands of the template are antiparallel.

Therefore,  in the 5′-to-3′ direction in the RNA chain, it extended by one nucleotide at a time.

Learn more about transcription, here:

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PLZ HELP

What is homeostasis? Explain how the respiratory system helps to maintain homeostasis within the body

Answers

Answer:

homeostasis is in yourr endocrine system. its if your blood suger is too low or high. if its too high your cells will absorb glucose. if its too low, your cells will release glucose.

Explanation:

hope this helps luv! good luck!

Answer:

homeostasis is the equilibrium in an organism

Explanation:

the body needs to maintain homeostasis to keep a stable body temperature around 98.6

WILL GIVE BRAINLIST!!!Question 7 (2 points)

While calculating the epicenter of an earthquake, scientists at one of the
seismometer stations received P waves, but did not receive any recorded S waves,
what does this most likely mean?

A. There was no earthquake recorded

B. Their seismometer is malfunctioning

C. The earthquake was not strong enough to reach their location

D. The S waves cannot travel through liquids; therefore, this signifies there is a
liquid between the epicenter and the location.

Answers

Answer:

It's D!

Explanation:

(I took the K12 quiz. Don't know if this question is from K12, but it is D either way!)

3. Which of the following do all living things need to survive? a. water b. oxygen c. sunlight d. carbon dioxide

Answers

Answer:

sunlight, oxygen,water

Answer:

Oxygen

Explanation:

It's because oxygen plays a critical role in respiration, that keeps the metabolism of most living things. They use this oxygen during the process of creating energy in living cells.

The image below shows a fault.

A diagram showing plate movement with labels. The footwall is on the left and the hanging wall is on the right. The plates are moving away from each other.

Which describes the motion of the plates?

The hanging wall and footwall both move vertically.
Shearing is causing the plates to slide past each other.
The hanging wall moves down in relation to the footwall.
Compression is causing the plates to move toward each other.

Answers

Answer:

C) The hanging wall moves down in relation to the footwall.

Explanation:

I just finished the test like 45 seconds ago. Not joking lol

Answer:

c

Explanation:

Si cruzas dos flores rosas heterocigotos (R En), resultado de una flor blanca (Rb Rb) y roja (RR) de la F1 ¿Que probabilidades existan de que el fenotipo de sus progenitores existen de que el fenotipo de sus progenitores se vuelvan a presentar en la F2? Utiliza el cuadro de punnet

Answers

Answer:

La Gente No Habla Espanol.

Explanation:

Which is the dark reaction called a cycle

Answers

Thank for the points.

Answer:

Photosynthesis consists of two parts. The first requires sunlight and the second does not. The Calvin cycle is also called the dark reactions or light-independent reactions because it's the part that doesn't need energy from the sun to happen. The Calvin cycle takes place within the stroma of the chloroplast.

The primary function of Nucleic Acids is:
O A. Store information
O B. Transport
O C. Energy
O D. Structural support

Answers

A. Store information

TURE/FALSE: This enzyme is this showing hydrolysis or dehydration synthesis.

Answers

Answer:

the answer you are looking for is true

Explanation:

What is the speed of a wave with a wavelength of 3 m and a frequency of 0.1 Hz?

Answers

Answer:

Speed of wave = 0.3 m/s

Explanation:

Given data:

Speed of wave = ?

Wavelength of wave = 3 m

Frequency of wave = 0.1 Hz

Solution:

Speed of wave = wavelength × frequency

Now we will put the values in formula.

Speed of wave = 3 m × 0.1 Hz

     Hz = s⁻¹

Speed of wave = 0.3 m/s

What is the metabolic process that requires oxygen?

Answers

Aerobic .. hope I helped u

The metabolic processes that require oxygen are aerobic processes. These processes require oxygen to carry out.

What is the metabolic process?

The metabolic process is a series of processes that occurs in the cell. It includes chemical pathways, anabolic and catabolic reactions, it transforms nutrients from food into energy.

The metabolic reactions that occur in the presence of oxygen are called aerobic reactions.

Thus, the Aerobic process is the metabolic process that calls for oxygen. To complete these operations, oxygen is needed.

Learn more about the metabolic process, here:

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Ansel Adams' constant energy and activity helped him achieve notoriety, and prestige in the early 1930's
Which word is the best synonym for the
underlined word in the sentence above.
A. honor
B. wealth
C. awards
D. fame

Answers

Answer: D: Fame

Explanation: I did the work for you guys

Answer:

d fame

Explanation:

hope it help

Sedimentary rocks are formed from what processes? (Select all that apply) 1 point

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Answer:

sedimentary rock is from inside volcano when it exploise.

The part of a cell that allows sunlight, CO2 and H2O to enter is known as the

Answers

Answer: yo que se

Explanation:

Answer:

Chloroplast

Explanation:

What happens during the process of glycolysis?

Answers

Answer:

Glycolysis is the process in which one glucose molecule is broken down to form two molecules of pyruvic acid (also called pyruvate). ... Thus, four ATP molecules are synthesized and two ATP molecules are used during glycolysis, for a net gain of two ATP molecules. hope this answerssss u

During glycolysis,:
1- molecule of glucose, a 6-carbon compound, is transformed into2 molecules of pyruvic acid, a 3-carbon compound.

In carbon cycle, which activity will result in a decrease in carbon dioxide in atmosphere?
A. Driving a car
B. Factories
C.Cellular respiratation
D. Photosynthesis

Answers

Answer:

D, photosynthesis because plants take up CO2 to get energy

2. Use the diagram to answer the question.

Which structure represents a single thylakoid?
a. structure A
b. structure B
c. structure C
d. structure D

Answers

Answer:

c. structure C represent a single thylakoid

Answer:

Structure C!

Explanation:

I got it right on my test :)

Other Questions
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