Physics: When a certain spring is expanded 6 centimeters from its natural position and held fixed, the force necessary to hold it is 1200 dynes. find the work w required to stretch the spring an additional 6 centimeters

When a certain spring is expanded 6 centimeters

Ответ:

19sierraamber

17.01.2022

Physics

The work W required to stretch the spring an additional 6 centimeters

Explanation:

The force require to stretch the spring by 6 cm = 1200 dynes = $1200\times 10^{-5} N=0.012 N$

Displacement of from the initial position = 6 cm = 0.06 m

$F=k\times x$

$0.012 N=k\times 0.06 m$

k = 0.2 N/m

Work done is guiven by: $\frac{1}{2}kx^2$

Work done when spring expanded to0.0 6 cm= $\frac{1}{2}kx^2=\frac{1}{2}\times 0.2 N/m\time (0.06)^2$ ..(1)

Work done when spring again expanded to 0.06 cm that is 0.12 m (0.06+0.06 m) = $\frac{1}{2}kx^2=\frac{1}{2}\times 0.2 N/m\time (0.12)^2$ ..(2)

Work done(W) required to stretch the spring an additional 0.06 m: (2)-(1)

$W=\frac{1}{2}0.2 N/m\times (0.12 m)^2-\frac{1}{2}0.2 N/m\times(0.06 m)^2=0.00108 Joules$

The work W required to stretch the spring an additional 6 centimeters

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Ответ:

tayybabyy8

08.11.2021

Physics

Explanation:

The movement of the plates creates three types of tectonic boundaries: convergent, where plates move into one another; divergent, where plates move apart; and transform, where plates move sideways in relation to each other.

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When a certain spring is expanded 6 centimeters from its natural position and held fixed, the force necessary to hold it is 1200 dynes. find the work w required to stretch the spring an additional 6 centimeters

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