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
jenyasd209 [6]
3 years ago
8

Explain how lubricating the wheels of the skateboard can increase the speed of the girl

Chemistry
2 answers:
weqwewe [10]3 years ago
8 0
Less friction to stop the wheel from turning
ohaa [14]3 years ago
5 0

Answer:

When oil, grease or graphite is applied

between the moving part of a machine,

a thin layer is formed there and moving

surfaces do not directly rub against each

other (Fig. 12.13). Interlocking of

irregularities is avoided to a great extent.

Movement becomes smooth. The

substances which reduce friction are

called lubricants.

You might be interested in
Does each phrase describe photosynthesis, cellular respiration, or both? Drag and drop the phrases into the correct locations.
arlik [135]

Answer:

Anabolic Reaction : Photosynthesis

Occurs in plant life : Both

a way to store energy : Both

Catabolic Reaction : Cellular Respiration

a way to release energy : Both

involves oxygen and carbon dioxide : oxygen releases by the process of photosynthesis. Oxygen is involved in areobic respiration and not in anarobic respiration.

5 0
3 years ago
Write the overall equation for the conversion of pyruvate to acetyl coa. express your answer as a chemical equation.
Schach [20]
 the overall  equation  for the conversation of pyruvate  to  acetyl COA  is as below

CH3COO-COO-  + NAD+  + HS-COA = ch3-COO-S -COA +NADH +CO2

The oxidation of pyruvate led to a conversation  of NAD+  to NADH and  produces acetyl COA  and CO2
5 0
3 years ago
How are stars and comets different?
ehidna [41]
The answer is letter C.

Because we classify something as a star when it is: a large ball of gas that undergoes nuclear fusion. Given this definition, a comet is not a star. A comet is a ball of ice and dirt hurtling through space, it shines only because it reflects ligh
3 0
2 years ago
Glacial striations have been found in South America, South Africa, India, and Australia. What do these marks tell scientist?
zubka84 [21]
These mars can tell the scientist that there are still a lot of things that they can not discover. The glaciation can also tell us about the alignment of the earth and not just it can tell us about the climate. That is why it is really important for the scientist to study keenly in this kind of matters.
7 0
3 years ago
Read 2 more answers
Week 8 of Quarter 2
zhannawk [14.2K]

Answer:

blurred an pic mo paki ayos

4 0
3 years ago
Other questions:
  • Sulfur reacts with oxygen to form sulfur dioxide (SO2(g), mc010-1.jpgHf = –296.8 kJ/mol) according to the equation below. mc010-
    5·2 answers
  • HelpUsing a 2-cm-thick piece of cardboard over a radiation source would be mosteffective for protecting against which type of ra
    5·2 answers
  • How are lactic and alcoholic fermentation similar?
    13·1 answer
  • Relationship between boiling temperature and vapour pressure
    9·1 answer
  • BASIC CALCULATIONS IN SPECTROSCOPY
    11·1 answer
  • How is the akin of frog similar to a fish​
    5·1 answer
  • How did technology impact the development of the cell theory?
    5·1 answer
  • What is the percent of aluminum found in Al2SO4
    13·1 answer
  • Which of the following is an oxidation-reduction reaction?
    8·1 answer
  • If 50. 0 g of formic acid (HCHO2, ka = 1. 8 x 10^-4) and 30. 0 g of sodium formate (NaCHO2) are dissolved to make 500 ml. of sol
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!