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## Homework Statement

A grasshopper leaps into the air from the edge of a vertical cliff, as shown in the figure below.

## Homework Equations

Use information from the figure to find the height of the cliff.

## The Attempt at a Solution

The first question was to find the initial speed of the grasshopper. I found this to be 1.5m/s.

I have tried using this equation to get the height of the cliff but it isn't right:

h = ut + (1/2)gt

^{2}where u is the initial velocity. Any help is greatly appreciated.