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Valentin [98]
2 years ago
8

What is an object's change in position, or displacement, and the change in time over which that displacement occurred used to ca

lculate?
a. average velocity
b. inertia
c. average force
d. force of gravity
Physics
1 answer:
yulyashka [42]2 years ago
7 0
The answer is a  average velocity
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(a) The equation for the work done in stretching the spring from x1 to x2 is ¹/₂K₂Δx².

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<h3>Work done in the spring</h3>

The work done in stretching the spring is calculated as follows;

W = ¹/₂kx²

W(1 to 2) = ¹/₂K₂Δx²

W(1 to 2)  =  ¹/₂(250)(0.65 - 0.35)²

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W(0  to 3) = ¹/₂k₁x₁² + ¹/₂k₂x₂² + ¹/₂F₃x₃

W(0  to 3) = ¹/₂(660)(0.35)² + ¹/₂(250)(0.65 - 0.35)² + ¹/₂(105)(0.89 - 0.65)

W(0  to 3) = 64.28 J

Learn more about work done here: brainly.com/question/25573309

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