Bank robbers have pushed a 1000 kg safe to a second-story floorto- ceiling window. They plan to break the window, then lower the safe 3.0 m to their truck. Not being too clever, they stack up 500 kg of furniture, tie a rope between the safe and the furniture, and place the rope over a pulley. Then they push the safe out the window. What is the safe’s speed when it hits the truck? The coefficient of kinetic friction between the furniture and the floor is 0.50.

Bank robbers have pushed a 1000 kg safe to a second-story floorto- ceiling window. They plan to break the window, then lower the safe 3.0 m to their truck. Not being too clever, they stack up 500 kg of furniture, tie a rope between the safe and the furniture, and place the rope over a pulley. Then they push the safe out the window. What is the safe’s speed when it hits the truck? The coefficient of kinetic friction between the furniture and the floor is 0.50.

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section: Chapter Questions

Problem 8STP

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