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Over [174]
2 years ago
12

How is velocity different from speed? Based on distance and/or direction

Physics
1 answer:
Mnenie [13.5K]2 years ago
6 0

Answer:

Speed is solved with time and distance but has no direction

Average velocity is solved with Δx/Δt and has a direction

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A lightweight vertical spring of force constant k has its lower end mounted on a table. You compress the spring by a distance d,
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v=d\sqrt{\frac{k}{m}}

Explanation:

In order to solve this problem, we can do an analysis of the energies involved in the system. Basically the addition of the initial potential energy of the spring and the kinetic energy of the mass should be the same as the addition of the final potential energy of the spring and the kinetic energy of the block. So we get the following equation:

U_{0}+K_{0}=U_{f}+K_{f}

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U_{0}=\frac{1}{2}kd^{2}

the Kinetic energy of the block is then given by the equation:

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