- #1

Karol

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## Homework Statement

2. Homework Equations

2. Homework Equations

Similar triangles

## The Attempt at a Solution

$$\frac{y}{30}=\frac{50}{x}~\rightarrow~x=\frac{1500}{y}$$

$$\frac{dx}{dt}=-\frac{1500}{y^2}$$

$$s=16t^2=16\frac{1}{4}=4$$

$$\frac{dx}{dt}=-\frac{1500}{16}$$

The answer should be ##~\displaystyle \frac{dx}{dt}=1500##