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djyliett [7]
3 years ago
10

In a pendulum system, when is it possible for the potential and kinetic energies both to be equal to zero

Physics
1 answer:
muminat3 years ago
8 0
That's ONLY true when the pendulum is hanging
in the center position and not moving.
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The force required to stretch a Hooke’s-law spring varies from 0 N to 63.5 N as we stretch the spring by moving one end 5.31 cm
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Answer:

Force constant will be 1195.85 N/m

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We have given the force,  F = 63.5 N

Spring is stretched by 5.31 cm

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We know that force is given by F=kx

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We know that work done is given by

W=\frac{1}{2}kx^2=\frac{1}{2}\times 1195.85\times 0.0531^2=1.6859J

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