# Problem: The Great Sandini is a 60-kg circus performer who is shot from a cannon (actually a spring gun). You dont 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 1300 N/m that he will compress with a force of 6500 N . The inside of the gun barrel is coated with Teflon, so the average friction force will be only 41 N during the distance of 5.0 m that he moves in the barrel.At what speed will he emerge from the end of the barrel, a distance 1.6 m above his initial rest position?

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###### Problem Details

The Great Sandini is a 60-kg circus performer who is shot from a cannon (actually a spring gun). You dont 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 1300 N/m that he will compress with a force of 6500 N . The inside of the gun barrel is coated with Teflon, so the average friction force will be only 41 N during the distance of 5.0 m that he moves in the barrel.

At what speed will he emerge from the end of the barrel, a distance 1.6 m above his initial rest position?

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Springs & Elastic Potential Energy concept. You can view video lessons to learn Springs & Elastic Potential Energy. Or if you need more Springs & Elastic Potential Energy practice, you can also practice Springs & Elastic Potential Energy practice problems.