Question

How fast do you think the air particles in this room are moving compared to a car going 50 mph (about 22m/s)? Put your answer is in the form, 'a molecule travels ___ as fast as a car"

Answer 1

The average molecule of air is moving at speed of 500 m /s and thus

speed of air particle = 500 m /s

speed of car = 22 m /s

Whereas, the speed of molecule /speed of car = 500 /22 = 22.72

Thus, molecule travel at 22.72 times faster than speed of car.

Answer 2

Based on the calculations, a molecule travels 22.73 as fast as a car.

Given the following data:

• Speed of car = 50 mph (22 m/s)

Under standard temperature and pressure (room conditions), the speed of an average molecule is equal to 500 meter per seconds. Thus, the speed of air particle is 500 m/s.

To determine how fast (rate) the air particles in a room are moving compared to a car, we would use this formula:

$Rate = \frac{Speed \;of\;air\;particles}{Speed \;of\;car}$

Substituting the given parameters into the formula, we have;

$Rate =\frac{500}{22}$

Rate = 22.73

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