Monday

July 28, 2014

July 28, 2014

Posted by **AMT** on Tuesday, January 8, 2013 at 5:13pm.

You may assume that the acceleration due to gravity, g, is 9.8 m s−2

Show your working step by step, including the correct formulas and equations.

- math (calculate speed) -
**Jennifer**, Wednesday, January 9, 2013 at 7:59pmm*g*h = 1/2*m*v^2

where m is the mass; g is the acceleration due to gravity; v is the speed.

At the top of his dive, the swimmers energy is entirely potential energy = m*g*h;

When he enters the pool, the potential energy is converted to kinetic energy: 1/2*m*v^2

v = = (2*g*h)^0.5

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