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Alex_Xolod [135]
3 years ago
7

WILL GIVE BRAINLIEST IF ANSWERED FIRST AND CORRECTLY!!!!

Physics
2 answers:
Vlad1618 [11]3 years ago
4 0

Answer:

I think its the 2nt

Explanation:

PLZ MARK AS BRAINLEST!!!

k0ka [10]3 years ago
4 0

Answer:

"Barrier against storms and lighting"

Explanation:

All the others are true.

Co2 warms the planet up (Its a greenhouse gas)

We are protected by the suns warmth

And we aren't exposed to the vacuum of space.

Thank our atmosphere!

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cupoosta [38]

Answer:

tough

Explanation:

5 0
2 years ago
( Find the value of the following in ms-1<br> 54kmhr
Darina [25.2K]

Answer:

54 × 5/18 = 15m/s

Explanation:

to convert km/hr to m/s you multiply by 5/18

6 0
1 year ago
rickey approaches third base. He dives head first, hitting the ground at 6.75 m/s and reaching the base at 5.91 m/s in 2.5 secon
Gekata [30.6K]

Answer:

15.825 m

Explanation:

t = Time taken = 2.5 s

u = Initial velocity = 6.75 m/s

v = Final velocity = 5.91 m/s

s = Displacement

a = Acceleration

Equation of motion

v=u+at\\\Rightarrow a=\frac{v-u}{t}\\\Rightarrow a=\frac{5.91-6.75}{2.5}\\\Rightarrow a=-0.336\ m/s^2

v^2-u^2=2as\\\Rightarrow s=\frac{v^2-u^2}{2a}\\\Rightarrow s=\frac{5.91^2-6.75^2}{2\times -0.336}\\\Rightarrow s=15.825\ m

The distance Rickey slides across the ground before touching the base is 15.825 m

4 0
3 years ago
The speed of the wave depends on what?
kolbaska11 [484]

The speed of a mechanical wave depends on the mechanical properties
of the medium through which the wave is traveling.

The speed of an electromagnetic wave depends on the electrical properties
of the medium through which the wave is traveling.

It's pretty well unanimous for choice <em>A</em> .


4 0
3 years ago
A person looks across a stadium at the scoreboard, which appears blurry. The person looks down at the program, which is complete
Pepsi [2]
Answer is D. Nearsightedness is when a person can see near, but not far. Everything appears blurry from far away, but as you get close to it, it becomes more focused
3 0
3 years ago
Read 2 more answers
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