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NemiM [27]
2 years ago
5

What is an example of an ionic bond

Physics
1 answer:
Anvisha [2.4K]2 years ago
8 0
Na + Cl

An ionic bond is made between a metal and a non-metal
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A bicycle tire is spinning counterclockwise at 2.70 rad/s. During a time period Δt = 1.50 s, the tire is stopped and spun in the
Andru [333]

Answer:

Δω = -5.4 rad/s

αav = -3.6 rad/s²

Explanation:

<u>Given</u>:

           Initial angular velocity = ωi = 2.70 rad/s

           Final angular velocity = ωf = -2.70 rad/s (negative sign is  

           due to the movement in opposite direction)

           Change in time period = Δt = 1.50 s

<u>Required</u>:

           Change in angular velocity = Δω = ?

           Average angular acceleration = αav = ?

<u>Solution</u>:

          <u>Angular velocity (Δω):</u>

               Δω = ωf - ωi

               Δω = -2.70 - 2.70

               Δω = -5.4 rad/s.

          <u> Average angular acceleration (αav):</u>

               αav = Δω/Δt

               αav = -5.4/1.50

              αav = -3.6 rad/s²

Since, the angular velocity is decreasing from 2.70 rad/s (in counter clockwise direction) to rest and then to -2.70 rad/s (in clockwise direction) so, the change in angular velocity is negative.

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2 years ago
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When children use the word “doggie” to refer to every four-legged animal they see, __________ occurs.
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This is known as overextension! (the correct answer is B.)
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3 years ago
The rock starts as a solid and then..
alina1380 [7]

Answer:

they stay a solid

Explanation:

breaks apart do to whether such as erosion

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Two forces F1 = -7.90i + 5.40j and F2 = 9.00i + 7.60j are acting on an object with a mass of m = 6.30 kg. The forces are measure
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Answer:

Answer:

Propotionality is important

Explanation:

Explanation:

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A stone is dropped from a cliff. after it has fallen 10m what is the stones velocity
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The answer is 14,1421 m/s. :)
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