On a Hot Day the Temperature Reaches 40

question 55

Multiple Choice

On a hot day the temperature reaches 40.0 degree Celsius.A car,traveling 20.0 m/s,honks his horn (f = 400.0Hz) .What frequency does a stationary pedestrian hear if the car is moving away from him.

• A)377 Hz
• B)379 Hz
• C)400 Hz
• D)423 Hz
• E)424 Hz

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Definitions:

Equation

A declaration in the field of mathematics that two expressions possess equal value.

Factoring

A mathematical process of breaking down an expression into simpler components that, when multiplied together, produce the original expression.

Equation

A mathematical statement that asserts the equality of two expressions, typically formatted as 'expression = expression'.

Square Base

A geometric figure with a base in the shape of a square, often referenced in the context of pyramids or prisms.