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A child's toy consists of a piece of plastic attached to a spring, as shown below. The spring is compressed against the floor a distance 1.8 cm and released. If the spring constant is 107 N/m, what is the magnitude of the spring force acting on the toy at the moment it is released?
N

  • physics -

    200 n

  • physics -

    (85N/m)(0.02m)=1.7N

  • physics -

    (0.018m)(107N/m)=1.926N

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