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
Naya [18.7K]
3 years ago
14

A 4o kg skier starts at the top of a 12 meter high slope at the bottom she is traveling 10 m/s how much energy does she lose to

friction?
A; 2,704J

B;She dosent lose any because mechanical energy is always conserved

C;2,000J

D;4,704J
Chemistry
1 answer:
allsm [11]3 years ago
5 0
I think the answer is b because that is true 
You might be interested in
What action leads to crystal formation in minerals?
ArbitrLikvidat [17]
I believe c is the right answer.
4 0
3 years ago
Read 2 more answers
write the steps you would use for making tea.use the words solution,solvent,solute,dissolve,soluble,insoluble,filtrate and resid
poizon [28]
1. Take 100ml of water as solvent and boil it few minutes.
2. Now add one tea spoon sugar, one tea spoon tea leaves and 50ml of milk. Here sugar, tea leaves and milk are solute.
3. Now boil it again for few minutes so that sugar will dissolves in solution as sugar is soluble in water
4. Now filter the solution. Collect the filtrate in cup. The insoluble tea leaves will be left behind as residue.
4 0
2 years ago
Draw a Lewis structure for ketene, C2H2O , which has a carbon‑carbon double bond. Include all hydrogen atoms and show all unshar
Vladimir79 [104]

<u>Answer:</u> The lewis dot structure is attached below.

<u>Explanation:</u>

A Lewis dot structure is defined as the representation of atoms having electrons around the atom where electrons are represented as dots.

A ketene is an organic compound having general formula R′R″C=C=O, where R and R' are two different/same monovalent chemical groups.

The given chemical compound having formula C_2H_2O is represented as H_2-C=C=O.

Total number of unshared electrons = 4 (left on oxygen atom only)

The lewis dot structure of C_2H_2O is given in the image below.

8 0
2 years ago
What is something that is not moving with respect to an observer that can be used to detect motion
larisa86 [58]

Answer:

Frame of reference

Explanation:

3 0
3 years ago
Read 2 more answers
What would be the colour of litmus in sodium carbonate?<br> will make brainliest
gregori [183]

Answer:

the color of the litmus paper will turn into blue color because sodium carbonate is basic in nature

7 0
3 years ago
Other questions:
  • How do electricity and magnetism interact?
    7·1 answer
  • A balloon contains 0.5 L of air at 273 K. Its volume increases to volume of 0.75 L at constant pressure. What is the temperature
    11·1 answer
  • How much energy (in joules) is released when 0.06 kilograms of mercury is condensed to a liquid at the same temperature? A. 51,3
    7·2 answers
  • Which is not true regarding reaction rates? (2 points)
    6·1 answer
  • Why must we use the kelvin scale in gas laws
    12·2 answers
  • Fertilization takes place when
    12·2 answers
  • What are the parts of this water wheel system?Label the water wheel to show the matter and forms of energy that flow through the
    10·1 answer
  • A researcher wants to show the effects of slight changes in pH on the reproductive rates of fish in a lake.
    15·1 answer
  • Explain by means of why is reddish orange is observed when you add sodium chloride
    8·1 answer
  • Julio measured the weight of a grain of sand and found it to be 3.5 times 10 Superscript negative 10 kg. He also measured the we
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!