A box of mass 8 kg sits on a horizontal tabletop. An unstretched spring of force con- stant 420 N/m runs between the box and a wall. The coefficient of friction between box and table is Another box of mass 10 kg 2 is hung from a string of negligible mass tied to the front of box 1, and allowed to fall from rest. 1420 N/m 8 kg =0.5 10 kg By what amount has the spring has been stretched when the acceleration of the boxes has magnitude 1 m/s²? Assume gravitational acceleration is 10 m/s². Answer in units of m.

A box of mass 8 kg sits on a horizontal tabletop. An unstretched spring of force con- stant 420 N/m runs between the box and a wall. The coefficient of friction between box and table is Another box of mass 10 kg 2 is hung from a string of negligible mass tied to the front of box 1, and allowed to fall from rest. 1420 N/m 8 kg =0.5 10 kg By what amount has the spring has been stretched when the acceleration of the boxes has magnitude 1 m/s²? Assume gravitational acceleration is 10 m/s². Answer in units of m.

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter9: Linear Momentum And Collisions

Section: Chapter Questions

Problem 9.1CYU: Check Your Understanding The U.S. Air Force uses “10gs” (an acceleration equal to 109.8m/s2 ) as the...

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