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3 years ago

Which of the following describes reading comprehension?

SAT

2 answers:

andrey2020 [161]3 years ago

7 0

I think it’s A because when you comprehend something you get it quickly

jolli1 [7]3 years ago

6 0

I think it’s A) Identifying main ideas quickly.

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This natural resource was once very abundant in Western Europe and helped power the Industrial Revolution. Question 4 options: I

Sophie [7]

Answer: Its Coal

Explanation: I did the K12 quiz

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2 years ago

What do performers consider when playing a piece of music?

guajiro [1.7K]

Answer:

style and commitment

Explanation:

for those who want to do music for performance would have to follow these 2 things to have a great career

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3 years ago

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suppose you push a hockey puck of mass m across frictionless ice for a time 1.0 s, starting from rest, giving the puck speed v a

saul85 [17]

Answer: Twice the previous time would be taken to reach the same speed v with the puck of mass 2m.

Explanation:

Let a Force pushes the hockey puck of mass m.

Then acceleration, a= \frac{F}{m}a=mF

From the equation of motion,

\begin{gathered}\➪ v=u+at\\ v=0+\frac{F}{m}\Delta t\end{gathered}⇒v=u+atv=0+mFΔt ......(1)

In the second case, when mass is 2m, then acceleration,

a'=\frac{F}{2m}a′=2mF

and t' is the time taken.

The final speed is v,

\begin{gathered}\➪ v=0+ a't'\\ \➪ \frac {F}{m}\Delta t=\frac{F}{2m}t'\\ \➪ t'= 2\Delta t\end{gathered}⇒v=0+a′t′⇒mFΔt=2mFt′⇒t′=2Δt using equation (1)

Hence, it would take two times the previous amount of time to push the pluck of double mass.

 I hope this is understandable and if my answer helped you please can you give me a brainliest its will really help me and thank you have a nice day!!

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3 years ago

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How many moles of helium atoms are there in 2. 4 x 1024 helium atoms?.

Blizzard [7]

Answer:

n = (2.4 x 10^24 atoms) x ((1 mol)/(6.02 x 10^23 atoms)) = 4.0 mol

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3 years ago

Is it okay to get a shmelly whiff of a third grader named Dora???????

creativ13 [48]

Yes. This is very needed to be successful in life. Everyone go get a smelly whiff of Dora...! :)

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3 years ago