Ch.7 Problem 38 37. How much work is done against the gravitational forceon a 5.0-kg briefcase when it is carried from the groundfloor to the roof of the Empire State Building, a verticalclimb of 380 m?6Oli oria aim38. It takes 500 J of work to compress a spring 10 cm.What is the force constant of the spring?E riw lollud -08Aalavom ton anob loold39. A bungee cord is essentially a very long rubber bandthat can stretch up to four times its unstretched length.However, its spring constant varies over its stretch [seeMenz, P.G. "The Physics of Bungee Jumping." The PhysicsTeacher (November 1993) 31: 483-487]. Take the length ofthe cord to be along the x-direction and define the stretch

According to Hooke's law restoring force F→ is proportional to displacement X→ and in a opposite…

Answered: 38. It takes 500 J of work to compress…

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38. It takes 500 J of work to compress a spring 10 cm. What is the force constant of the spring? ai

College Physics

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ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter5: Energy

Section: Chapter Questions

Problem 7P: A sledge loaded with bricks has a total mass of 18.0 kg and it pulled at constant speed by a rope...

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Question

Ch.7 Problem 38

37. How much work is done against the gravitational force
on a 5.0-kg briefcase when it is carried from the ground
floor to the roof of the Empire State Building, a vertical
climb of 380 m?
6Oli oria aim
38. It takes 500 J of work to compress a spring 10 cm.
What is the force constant of the spring?
E riw lollud -08A
al
avom ton anob loold
39. A bungee cord is essentially a very long rubber band
that can stretch up to four times its unstretched length.
However, its spring constant varies over its stretch [see
Menz, P.G. "The Physics of Bungee Jumping." The Physics
Teacher (November 1993) 31: 483-487]. Take the length of
the cord to be along the x-direction and define the stretch

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