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fomenos
3 years ago
11

Oil can be used to reduce friction. true or fales take 100 mark for solving gg

Physics
2 answers:
GalinKa [24]3 years ago
8 0

Answer:

This is true.

Oil has a good consistency for reduction in tight areas of something. If you've ever played a recorder for band class or just for fun, you may have realized that every time you take it apart and put it together again it gets harder, and normally the recorder comes with a small container of oil that you rub between the two connecting pieces.

Naddika [18.5K]3 years ago
4 0

yes because it has to reduce frition by its own method called fellding

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2. An object is dropped from rest. Calculate its velocity after 2.5s if it is dropped:
Alekssandra [29.7K]

Answer:

a=24.5 b=9.5

Explanation:

7 0
3 years ago
A triangle has angles measuring 10°, 40°, and 130° with side lengths of 23 cm, 84 cm, and 100 cm. Classify this triangle by its
Maurinko [17]
For the lengths of its sides
 As a scalene triangle (from the Greek σκαληνός "unequal"), if all its sides have different lengths (in a scalene triangle there are no two angles having the same measure) 
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 obtuse triangle: if one of its interior angles is obtuse (greater than 90 °); the other two are acute (less than 90 °).
5 0
3 years ago
A branch falls from a tree how fast is the branch moving after drug .28 seconds
alexdok [17]
Acceleration=9.81m/s^2
initial velocity=0m/s
time=.28s

We have to find final velocity.

The equation we use is

Final velocity=initial velocity+acceleration x time

Vf=0m/s+(9.81m/s^2)(.28s)
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We would round this to:

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6 0
3 years ago
Match the letter and term.
rosijanka [135]

Answer:

1. Nitrogen

2. Oxygen

3. Carbon dioxide

4. Water vapor

5. Ozone

Explanation:

The atmosphere composes of 78% nitrogen which occupies the largest percentage followed by oxygen which takes up 21%, Argon takes up 1% then other components such as water vapor occupy between 0-7% and ozone takes 0.0-0.01. Moreover, 0.01-0.1 is occupied by carbon dioxide. Therefore, the answers for 1-5 are as follows.

1. Nitrogen

2. Oxygen

3. Carbon dioxide

4. Water vapor

5. Ozone

4 0
4 years ago
A) State the meaning of the term principal focus as applied in lenses.​
Mariana [72]

Answer:

Explanation:

Basically, the point on the axis of a lens or mirror to which parallel rays of light converge or from which they appear to diverge after refraction or reflection.

Not sure if this is what your looking for. Hope this helps!

4 0
2 years ago
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