damage at speeds below 8 km/h. If the material of the bumpers permanently deforms after a compression of 1.5 cm, but remains like an elastic spring up to that point, what must be the effective spring constant of the bumper material, assuming the car has a mass of 1050 kg and is tested by ramming into a solid wall? 1. In climbing up a rope, a 62-kg athlete climbs a vertical dis- tance of 5.0 m in 9.0 s. What minimum power output was used to accomplish this feat?

damage at speeds below 8 km/h. If the material of the bumpers permanently deforms after a compression of 1.5 cm, but remains like an elastic spring up to that point, what must be the effective spring constant of the bumper material, assuming the car has a mass of 1050 kg and is tested by ramming into a solid wall? 1. In climbing up a rope, a 62-kg athlete climbs a vertical dis- tance of 5.0 m in 9.0 s. What minimum power output was used to accomplish this feat?

Name: Both 80. Many cars have “5 mi/h (8 km/h) bumpers" that are designedto
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Description: Both 80. Many cars have “5 mi/h (8 km/h) bumpers" that are designedto compress and rebound elastically without any physicaldamage at speeds below 8 km/h. If the material of thebumpers permanently deforms after a compression of1.5 cm, but remains like

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter10: Systems Of Particles And Conservation Of Momentum

Section: Chapter Questions

Problem 79PQ

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