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statuscvo [17]
4 years ago
7

Which particle does the red ball at position #2 represent

Physics
2 answers:
Scorpion4ik [409]4 years ago
6 0
That represents a proton!
jarptica [38.1K]4 years ago
6 0

Answer:

a. proton

B. Proton

C.proton.

D.protin

Explanation:

because if you get it wrong the next you see the next questions its the same but eh answer is in the wong spot.

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Suppose a 20-foot ladder is leaning against a building, reaching to the bottom of a second-floor window 15 feet above the ground
Papessa [141]

Answer:

The answer is β=0,85 rads

Explanation:

As the ladder is leaning against the building, we can imagine there´s a triangle where 20ft is the hypotenuse and 15ft is the maximum vertical distance between the ladder and the ground, it means, the leg opposite to β which is the angle we need

Let β(betha) be the angle between the ladder and the ground

We also know that sin(betha)=(leg opposite)/(hypotenuse)

In this case we will need to find β, this way:

betha=sin^-1((15ft/20ft))

Then β=48,6°  

We also have that 2πrads is equal to 360°, in this way we find how much β is in radians:

betha=(48,6°)*(2pirads/360°)

then we find β=0,85rads

7 0
3 years ago
Explain how electromagnetic waves are produced. I
madreJ [45]

Answer:

Electromagnetic are produced by gases and air and so much many things

Explanation:

Science teacher said I did awesome

4 0
3 years ago
Based on its type of chemical bond, which of the following has the highest boiling point?
Sever21 [200]
<h3><u>Answer;</u></h3>

Potassium chloride

<h3><u>Explanation;</u></h3>
  • Potassium Chloride is an ionic compound and has ionic bond which is stronger than covalent bond in ethyl alcohol,water ,ammonia, and thus has the highest boiling point .
  • ionic bond is a type of bond that results from the transfer of electrons between metallic atoms and non-metallic atoms.
5 0
3 years ago
Identify the physical property of a material that is NOT a good conductor of heat.
EleoNora [17]

Answer:D.no of the above

Explanation:get right with Christ

4 0
3 years ago
PLEASE HELP ILL MARK BRAINLIEST
ikadub [295]
I think the answer is A?
7 0
3 years ago
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