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Back to 7.3 Work-Energy Theorem

7.3 Exercise 19

Avg difficulty 2.5

When a 3.0-kg block is pushed against a massless spring of force constant 4.5×103N/m,4.5 \times 10^{3} \text{N}/\text{m}, the spring is compressed 8.0 cm. The block is released, and it slides 2.0 m (from the point at which it is released) across a horizontal surface before friction stops it. What is the coefficient of kinetic friction between the block and the surface?

OpenStax University Physics Volume 1, 7.3 Work-Energy Theorem, exercise 19

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Adapted from University Physics Volume 1 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 1. Imported at revision db44eb9.