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yaroslaw [1]
3 years ago
12

The diagram shows particles that make up an atom. Which label best completes the diagram?

Physics
1 answer:
KonstantinChe [14]3 years ago
8 0
The right answer is "Strong nuclear force"
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I need the answer for all of these l don't understand any of this
ElenaW [278]
This should help, 
Search up the Scientific method and lookup for the meaning of each word.
I can't help with all of it but this should help for most 

6 0
4 years ago
A certain CD has a playing time of 74.0 minutes. When the music starts, the CD is rotating at an angular speed of 480 revolution
Rashid [163]

Answer: 0.00636\ rad/s^2

Explanation:

Given

CD has a playing time of t=74\ min\ or\  74\times 60\ s

Initial angular speed of CD is 480\ rpm

Final angular speed of DC is 210\ rpm

Angular speed, when rpm is given

\omega =\dfrac{2\pi N}{60}

\omega_i=\dfrac{2\pi \times 480}{60}\\\\\Rightarrow \omega_i=16\pi \ rad/s

Final speed

\Rightarrow \omega_f=\dfrac{2\pi \times 210}{60}\\\\\Rightarrow \omega_f=7\pi \ rad/s

Using equation of angular motion

\Rightarrow \omega_f=\omega_i+\alpha t

Insert the values

\Rightarrow 7\pi =16\pi +\alpha \times 74\times 60\\\Rightarrow -9\pi =\alpha \cdot (4440)\\\\\Rightarrow \alpha=-\dfrac{9\pi}{4440}\\\\\Rightarrow \alpha=-0.00636\ rad/s^2

Magnitude of angular acceleration is 0.00636\ rad/s^2

3 0
3 years ago
What is an electromagnetic wave?
stepladder [879]

Answer: B

Explanation:

5 0
3 years ago
Read 2 more answers
A bicycle tire is spinning counterclockwise at 3.00 rad/s. During a time period Δt = 2.30 s, the tire is stopped and spun in the
emmasim [6.3K]

Answer:

Δω =  -6.00 rad/s

α = -2.61 m/s²

Explanation:

Step 1: Data given

A bicycle tire is spinning counterclockwise at 3.00 rad/s

Δt = 2.30 s

In theopposite (clockwise) direction, also at 3.00 rad/s

Step 2: Calculate the change in the tire's angular velocity Δω

Δω =  ωf -  ωi

ωf = - 3.00 rad/s

 ωi  = 3.00 rad/s

Δω =  ωf -  ωi  = -3.00 - 3.00 = -6.00 rad/s

Step 3: Calculate the tire's average angular acceleration α

α =  Δω /  ΔT

α = -6.00 rad/s /2.30s  

α = -2.61 m/s²

A negative angular acceleration means a decreasing angular velocity

6 0
4 years ago
A material allows charges to move freely through it. Which statement is the
Maslowich
The answer is D- it has a high resistance and is a conductor


hope this helps !
4 0
3 years ago
Read 2 more answers
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