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V125BC [204]
3 years ago
14

What tool is used to measure air pressure?

Physics
1 answer:
alukav5142 [94]3 years ago
8 0
A<span> barometer is used to measure air pressure. </span>
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Raindrops hitting the side windows of a car in motion often leave diagonal streaks even if there is no wind. Why? Is the explana
labwork [276]

Answer:

because of the raindrop velocity relative of the car has a vertical and horizontal component  

Explanation:

  1. The car moves in a <em>horizontal direction </em>relative to the ground. The raindrops fall in the <em>vertical direction</em> relative to the ground.
  2. Their velocity relative to the moving car has  both vertical and horizontal components and this is the reason for the diagonal streaks on the side window.
  3. The diagonal streaks on the windshield  arise from a different reason.
  4. The drops  are pushed  off to  one side  of the  windshield  because  of air resistance.

6 0
2 years ago
Four cylindrical wires of different sizes are made of the same material. Which of the following combinations of length and cross
anzhelika [568]

Answer:

Explanation:

For resistance of a wire , the formula is as follows .

R = ρ L/S

where ρ is specific resistance , L is length and S is cross sectional area of wire .

for first wire resistance

R₁ =  ρ 3L/3a = ρ L/a

for second wire , resistance

R₂ = ρ 3L/6a

= .5 ρ L/a

For 3 rd wire resistance

R₃ = ρ 6L/3a

= 2ρ L/a

For fourth wire , resistance

R₄ = ρ 6L/6a

=  ρ L/a

So the smallest resistance is of second wire .

Its resistance is .5 ρ L/a

7 0
2 years ago
Which are true about the proton?
Scrat [10]

Answer:

B

Explanation:

bIrish Kaleb picked Lucian usual

4 0
3 years ago
Read 2 more answers
Which theory proposes that the moon was a passing asteroid pulled into orbit by Earth's gravity?
kolezko [41]
The correct answer to the question above is the capture theory. The capture theory proposes that the moon was a passing asteroid pulled into the orbit by the Earth's gravity. It says that the moon was originally orbiting the sun, not the Earth.
3 0
3 years ago
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A block requires an applied force of 20N to begin moving it to the right. What is the maximum static friction?
dangina [55]

Answer:

A.

Explanation:

Thats my answer

Please make me branlies answer

4 0
2 years ago
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