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3 years ago

Graphs help you see ______.

Physics

2 answers:

Anastaziya [24]3 years ago

4 0

D- if i was right please mark me as a brainliest answer and a thank you

kkurt [141]3 years ago

3 0

The answer to your question is c. this is because you would graph the numbers for the independant on one line/side of the graph, and the dependant on the other. here is an example below. Also,DarkcloudRevievived please stop insulting other users. It is not nice, and just makes <em>you </em>not sound grown up enough.

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3 years ago

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a fan acquires a speed of 180 rpm in 4s, starting from rest. calculate the speed of the fan at the end of the 5th second startin

KengaRu [80]

Answer:

225 rpm

Explanation:

The angular acceleration of the fan is given by:

$\alpha = \frac{\omega_f - \omega_i}{\Delta t}$

where

$\omega_f$ is the final angular speed

$\omega_i$ is the initial angular speed

$\Delta t$ is the time interval

For the fan in this problem,

$\omega_i = 0\\\omega_f = 180 rpm\\\Delta t=4 s$

Substituting,

$\alpha = \frac{180-0}{4}=45 rpm/s$

Now we can find the angular speed of the fan at the end of the 5th second, so after t = 5 s. It is given by:

$\omega' = \omega_i + \alpha t$

where

$\omega_i = 0\\\alpha = 45 rpm/s\\t = 5 s$

Substituting,

$\omega' = 0 + (45)(5)=225 rpm$

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2 years ago

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Karolina [17]

Answer:

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2 years ago

Astronomy can best be described as a/an

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3 years ago

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