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Irina18 [472]
3 years ago
14

How far will a freely falling object fall from rest in 5 seconds?​

Physics
1 answer:
Travka [436]3 years ago
3 0
<h2><em>how far will a freely falling object fall from rest in 5 seconds?</em></h2>

  • <em>If an object free falls from rest for 5 seconds, its speed will be <u>about 50 m/s.</u></em>

<em><u>hope </u></em><em><u>it</u></em><em><u> helps</u></em>

<em><u>#</u></em><em><u>c</u></em><em><u>a</u></em><em><u>r</u></em><em><u>r</u></em><em><u>y</u></em><em><u> </u></em><em><u>on</u></em><em><u> learning</u></em>

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Answer:

114.44 J

Explanation:

From Hook's Law,

F = ke................. Equation 1

Where F = Force required to stretch the spring, k = spring constant, e = extension.

make k the subject of the equation

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Given: F = 10 lb = (10×4.45) N = 44.5 N, e = 4 in = (4×0.254) = 1.016 m.

Substitute into equation 2

k = 44.5/1.016

k = 43.799 N/m

Work done in stretching the 9 in beyond its natural length

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3 years ago
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Answer:

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