Intro to Conservation of Energy Video Lessons

Concept

# Problem: A 72.0-kg swimmer jumps into the old swimming hole from a diving board 3.25 m above the water.Use energy conservation to find his speed just as he hits the water if he just holds his nose and drops in.Use energy conservation to find his speed just as he hits the water if he bravely jumps straight up (but just beyond the board!) at 2.50 m/s.Use energy conservation to find his speed just as he hits the water if he manages to jump downward at 2.50 m/s.

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###### Problem Details

A 72.0-kg swimmer jumps into the old swimming hole from a diving board 3.25 m above the water.

Use energy conservation to find his speed just as he hits the water if he just holds his nose and drops in.

Use energy conservation to find his speed just as he hits the water if he bravely jumps straight up (but just beyond the board!) at 2.50 m/s.

Use energy conservation to find his speed just as he hits the water if he manages to jump downward at 2.50 m/s.