In chapter Q1, we noted that the speed of sound in air depends on the air’s temperature (increasing as the square root of the air temperature). Suppose a flute player tunes a flute that has been sitting in a cold automobile. As the flute warms up to room temperature, does it go sharp (A) or flat (B)?

A. Sharp
B. Flat


B. Flat

Physics & Space Science

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The Kuiper Belt is a collection of asteroid-sized icy bodies orbiting the Sun beyond the orbit of Neptune

Indicate whether the statement is true or false

Physics & Space Science

A airplane that is flying level needs to accelerate from a speed of 200 m/s to a speed of 240 m/s while it flies a distance of 1200 m. What must the acceleration of the plane be?

A) 4.44 m/s2 B) 2.45 m/s2 C) 7.33 m/s2 D) 5.78 m/s2 E) 1.34 m/s2

Physics & Space Science

Which of the following is an example of a nonconservative force?

a. gravity b. magnetism c. friction d. Both choices A and B are valid.

Physics & Space Science

An atom has completely filled inner shells and a single valence electron in an excited p state. The filled inner shells have an orbital momentum equal to zero. What is the magnitude of the orbital angular momentum L of the atom?

A) 1.0? B) 1.2? C) 1.4? D) 1.7? E) 2.0?

Physics & Space Science