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Answer: The Great Sandini is a 60-kg circus performer who
Chapter 7, Problem 53P(choose chapter or problem)
Problem 53P
The Great Sandini is a 60-kg circus performer who is shot from a cannon (actually a spring gun). You don’t find many men of his caliber, so you help him design a new gun. This new gun has a very large spring with a very small mass and a force constant of 1100 N/m that he will compress with a force of 4400 N. The inside of the gun barrel is coated with Teflon, so the average friction force will be only 40 N during the 4.0 m he moves in the barrel. At what speed will he emerge from the end of the barrel, 2.5 m above his initial rest position?
Questions & Answers
QUESTION:
Problem 53P
The Great Sandini is a 60-kg circus performer who is shot from a cannon (actually a spring gun). You don’t find many men of his caliber, so you help him design a new gun. This new gun has a very large spring with a very small mass and a force constant of 1100 N/m that he will compress with a force of 4400 N. The inside of the gun barrel is coated with Teflon, so the average friction force will be only 40 N during the 4.0 m he moves in the barrel. At what speed will he emerge from the end of the barrel, 2.5 m above his initial rest position?
ANSWER:
Solution 53P
Step 1 of 4:
A person of mass m= 60 kg is at rest on a ‘x’ meters compressed spring with force =4400 N and force constant k=1100 N/m. We need to calculate the speed at a height 2.5m from the end of barrel, with which the person flies when he moves through the barrel with friction force for d= 4m as shown in the figure below,