Problem 1.

A person stands 40 m from a flag pole. With a protractor at eye level, he finds the angle at the top of the flag pole with the horizontal is 25.0 degrees. How high is the flag pole? The distance from his feet to his eyes is 1.8 m.

Solution

Problem 2.

The frequency of yellow light is . Find the wavelength of yellow light. The speed of light is .

Solution

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