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butalik [34]
3 years ago
13

Which of the following describes the efficiency of real machines?

Physics
2 answers:
Mariulka [41]3 years ago
4 0

Are you sure! Becuase I dont want to get this one wrong!



Leokris [45]3 years ago
3 0
Choice-B is the true one.
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There are always new questions to answer and new problems to solve in this area. The correct option is D.

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7 0
2 years ago
What did Kelper discover?
SpyIntel [72]
Kepler discovered that the orbit of mars was an ellipse

not sure if this is what you want but hope this helps!!
5 0
3 years ago
Read 2 more answers
Describe what sandpaper does to wood to make it smoother, and explain why.
Rama09 [41]

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Explanation:

8 0
3 years ago
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7) Straws work on the principle of the outside atmospheric pressure pushing the fluid (for example water) up the straw after you
RoseWind [281]

Answer:

The longest straw will be 10.328 meters long.

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We know

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Pressure due to water column of height 'h'

P_{water}=1000\times 9.81\times h

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h=\frac{101325}{1000\times 9.81}\\\\h=10.328m

3 0
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