# Physics

A baseball is thrown vertically upward with an initial velocity of 20m/s. The maximum height gained by the ball is?

I do not understand this problem!

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1. If you have learned about energy, you can calculate by equating kinetic and potential energies assuming all kinetic energy (due to velocity) is converted to potential energy (due to height).
mgh=(1/2)mvÂ²
when m cancels out,
g=acc. due to gravity (m/s/s)
h=height attained (m)
v=initial velocity
final velocity is zero at the highest point.
h=(1/2)vÂ²/g

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posted by MathMate

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