As Shown in the Figure, a Man Is Traveling on a Bicycle

question 17

Short Answer

As shown in the figure, a man is traveling on a bicycle along a straight road that runs
parallel to and right next to some railroad tracks. While moving at 10 m/s, he hears the
whistle of a train that is behind him, as shown in the figure. The frequency emitted by the
train's whistle is 820 Hz, but the frequency the man hears is 774 Hz. The speed of sound is
340 m/s.
(a) What frequency is heard by a stationary observer located between the train and the
bicycle?
(b) What is the speed of the train, and is the train traveling away from or toward the
bicycle?

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Definitions:

Child Labor

The employment of children in an industry or business, often illegal or considered exploitative due to the harm it can cause to their development and education.

Commercialism

The emphasis on the maximization of profit within business activities, often associated with practices that prioritize financial gain over social, ethical, or environmental concerns.

Strikes

A form of protest where workers stop working to demand better conditions, pay, or other workplace improvements.

United States

A federal republic in North America, comprising 50 states, a federal district, and several territories, known for its diverse population and significant influence on global affairs.