Speed of recoil

Classical Mechanics Level 4

A solid sphere rolls on a horizontal surface without slipping at linear velocity \(v\) and collides elastically with a fixed, smooth vertical wall. Find the speed of the sphere after it has started rolling without slipping away from the wall.

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Speed of recoil

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, interactive explorations.

Used and loved by over 6 million people

Learn from a vibrant community of students and enthusiasts, including olympiad champions, researchers, and professionals.

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.