1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Verdich [7]
3 years ago
15

How can energy from the motion of the crank on a hand-powerd flashlight produce heat?

Biology
2 answers:
Alecsey [184]3 years ago
8 0

Answer:

When you manually crank the flashlight, a coil of wire inside the generator converts the mechanical energy into electrical energy. This allows an electrical current to flow through the flashlight, thus lighting the bulb of the flashlight.

Musya8 [376]3 years ago
7 0

Answer:

It's called thermal energy. The energy that comes from the temperature of the heated essence is called thermal energy.

Explanation:

:) Hope this answer helped.

You might be interested in
Explain in detail the process of fermentation in an orange with yeast added
Kazeer [188]
Ew yeast is not good ew 
5 0
3 years ago
What is the median and mode
storchak [24]

Answer:

Median is the average and mode is the same value

Explanation:

4 0
3 years ago
On a backpacking trip, Kenny hikes all day at a steady pace, covering 30 kilometers and burning 4000 Calories. At the school tra
olganol [36]

Answer:

A. If the aerobic pathway—cellular respiration—cannot meet the energy demand, then the anaerobic pathway—lactic acid fermentation—starts up, resulting in lactic acid buildup and "oxygen debt."

C. After about 90 seconds of intense exercise, the muscles become depleted of oxygen, and anaerobic respiration can no longer function to produce ATP, resulting in "oxygen debt."

Explanation:

There are two sources of carbohydrates in the human's body for energy (ATP) production. 1) Creatine phosphate and 2) Glycogen. Creatine phosphate metabolizes easily and yields ATP quickly. Whereas glycogen is stored form of carbohydrate which yields energy more slowly. Therefore, initially, our bodies use creatine phosphate and then shift to glycogen. Within 60-90 seconds, the creatinine phosphate in the body is mostly utilized and then energy is produced by the use of glycogen in aerobic pathway. During areobic pathway, oxygen supply is sufficient and per cycle, it produces 32 molecules of ATP. However, when oxygen supply is limited or absent, the body will metabolize glycogen to lactic acid via fermentation and produce only 2 molecules of ATP.

Now consider the example: Kenny hikes all day at a steady pace therefore the supply of oxygen is sufficient for aerobic cellular respiration for ATP production. In this scenario, the oxygen debt is minimal and Kenny relies on aerobic respiration pathway to obtain energy. On the other hand, Janelle runs fast (100 meters in 13.5 seconds) and her cellular respiration would be on the compense of aerobic pathway initially which will be shifted to anaerobic pathway after the supply of oxygen is reduced/minimum. Janelle will heavily rely on the anaerobic pathway because running fast needs energy which cannot be provided via aerobic pathway easily. Therefore, Janelle's body will produce lactic acid and suffer from oxygen debt.

7 0
2 years ago
Describe how adaptation relates natural selection?
Arturiano [62]

Answer:

PLEASE MARK AS BRAINLIEST!!

Explanation:

In evolutionary theory, adaptation is the biological mechanism by which organisms adjust to new environments or to changes in their current environment. ... The idea of natural selection is that traits that can be passed down allow organisms to adapt to the environment better than other organisms of the same species.

4 0
3 years ago
Read 2 more answers
- What are the reactants in the following equation?<br> CO2 + H2O → C6H12O6 + O2
dybincka [34]

Answer:

CO2 and H2O are the reactants in the given reaction

Explanation:

The reaction that is written in the question is the general equation of photosynthesis.

                    In this reaction the carbon di oxide reacts with water to form glucose ,oxygen and water.The overall reaction is given below

   6CO2+12H2O= C6H12O6+6O2+6H2O

carbon di oxide(CO2) and water(H2O) act as reactant in the above reaction.

6 0
3 years ago
Other questions:
  • Is it necessary to have a gradient in order for diffusion and osmosis to occur why?
    8·1 answer
  • When godfrey hardy and wilhelm weinberg described the factors that affect genetic equilibrium, they first had to define what it
    13·2 answers
  • C) Why are vaccines important in preventing infections of more dangerous viruses?
    15·1 answer
  • PLEASE HELP!!! A small population of crocodiles lives in an isolated area the undergoes no changes for a long period. How will g
    13·2 answers
  • Burning a candle is a chemical change. What is the primary evidence that burning the candle is a chemical reaction?
    5·2 answers
  • Clouds act in much the same way as high humidity in Earth's atmosphere. The presence of clouds means moist, humid, atmospheric c
    14·2 answers
  • SOMEONE HELP I HAVE 51 ASSIGMENTS DOU BY WEDNES
    12·1 answer
  • Why did land animals evolve back to aquatic environments?
    6·2 answers
  • Please answer these questions.​
    14·1 answer
  • How is mitochondrial DNA<br> typing used in forensic science
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!