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Butoxors [25]
2 years ago
10

I need help with this ASAP!!!

Physics
1 answer:
yarga [219]2 years ago
5 0
Just look up the words that are given and see the definition lol
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A student practicing for a track meet ran 250 m in 30 seconds. What was her average speed?
DochEvi [55]

Answer:

8.33 meters/sec.

Explanation:

distance = 250 meters

time = 30 sec.

velocity = distance / time

            = 250 meters

                   30 sec.

            = 8.33 meters/sec.

6 0
2 years ago
I dont know how to do question 3,4
dlinn [17]

<span>Prior to the Cambrian, organisms with hard parts (eg. shells and bones) weren't present for most the time, and it's generally such hard parts that get to fossilize. There's also been more time for Precambrian deposits to get destroyed by natural processes, </span>

<span>The supply of Precambrian fossils has actually greatly improved over the last few decades. The so called Ediacaran faunas have been found at many parts of the world, and would be worth looking into.hope it helps</span>
7 0
3 years ago
A rotating wheel requires a time Δt = [01]_____________________ to rotate 37.0 revolutions. Its angular speed at the end of the
Sidana [21]

Answer:

Explanation:

Initial angular velocity ω₁ = 0 , final angular velocity ω₂ = 75.9 rad /s

angle rotated =  θ

= 37 x 2π

= 74 π

The formula for angular velocity

ω₂² =  ω₁² + 2αθ , α is angular acceleration

75.9² = 0 + 2 α x 74 π

α = 75.9² / 2  x 74 π

= 12.396 rad / s²

8 0
3 years ago
A transformed, visible pattern that holds cues indicating the presence of a particular ethnic group is ____
kogti [31]

Answer:

A transformed, visible pattern on earth that holds cues indicating the presence of a particular ethnic group is cultural landscape.

Explanation:

3 0
3 years ago
In the warm up, you reviewed the equation to calculate kinetic energy. What question could you ask about kinetic energy which wi
shutvik [7]

Explanation:

HEY PLS DON'T JOIN THE ZOOM CALL OF A PERSON WHO'S ID IS 825 338 1513 (I'M NOT SAYING THE PASSWORD) HE IS A CHILD PREDATOR AND A PERV. HE HAS LOTS OF ACCOUNTS ON BRAINLY BUT HIS ZOOM NAME IS MYSTERIOUS MEN.. HE ASKS FOR GIRLS TO SHOW THEIR BODIES AND -------- PLEASE REPORT HIM IF YOU SEE A QUESTION LIKE THAT. WE NEED TO TAKE HIM DOWN!!! PLS COPY AND PASTE THIS TO OTHER COMMENT SECTIONS!!

4 0
3 years ago
Read 2 more answers
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