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nika2105 [10]
3 years ago
11

PLEASE HELP! Need this ASAP (in 10 minutes)

Physics
2 answers:
xxMikexx [17]3 years ago
6 0
The answer to your question here is A,


(I am dragging a very helpful piece of information from a website call “The Physics Classroom” for an explain took by the way so go check them out if you are still having trouble.)

From the paragraph I read, I could pull out “The data convincingly show that wave frequency does not affect wave speed.”

Thus concluding my answer of why the speed is unchanged.

9966 [12]3 years ago
4 0
I think it’s B


step-by-step explanation:
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The amount of force required to stretch or compress the spring is known as the spring force. Its unit is Newton(N). Force is needed to stretch spring is 10.2 N.

<h3>What is spring force?</h3>

The force required to extend or compress a spring by some distance scales linearly with respect to that distance is known as the spring force. Its formula is

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The given data in the problem is;

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\rm F_S=Kx \\\\ \rm F_S=8.5 \times 1.2 \\\\ \rm F_S=10.2 N

Hence the force is needed to stretch the spring is 10.2 N.

To learn more about the spring force refer to the link;

brainly.com/question/4291098

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