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In the figure, two identical ideal massless springs have unstretched lengths of 0.25 m and spring ...

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In the figure, two identical ideal massless springs have unstretched lengths of 0.25 m and spring ...

In the figure, two identical ideal massless springs have unstretched lengths of 0.25 m and spring constants of 700 N/m. The springs are attached to a small cube and stretched to a length L of 0.30 m as in Figure A. An external force P pulls the cube a distance D = 0.020 m to the right and holds it there. (See Figure B.) The external force P, that holds the cube in place in Figure B, is closest to

▸ 14 N.

▸ 28 N.

▸ 25 N.

▸ 18 N.

▸ 21 N.

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Essential University Physics

Edition: 3^rd

Author: Wolfson

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