You can hear sound through an open window from sources that are not in your line of sight because of

a. interference.
b. diffraction.
c. the sound level.
d. the Doppler effect.
e. none of the above.


b

Physics & Space Science

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Tripling the displacement from the equilibrium of an object in simple harmonic motion will change the magnitude of an object's maximum acceleration by what factor?

a. 9 b. 1/3 c. 6 d. 3

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The signs of the zodiac are important to astronomy as they influence the seasons on Earth

Indicate whether the statement is true or false

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Wire A is twice as long as wire B but is otherwise identical. The electric field acting in each has the same magnitude. How do the currents flowing in these wires compare?

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If two waves pass through the same region of space, they continue to move independently of one another

Indicate whether the statement is true or false

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