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Question
Because of their short lifetimes, very few muons that are produced in the upper atmosphere at high speeds should be observed at the surface of the earth. Yet we detect large numbers of muons at ground level because of the special relativistic effect of __________.Answer
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Related questions
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A wave moves in a rope with a certain wavelength. A second wave is made to move in the same rope with twice the wavelength of the first wave. The frequency of the second wave is half the frequency of the first wave.
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The wavelength of a wave divided by the frequency of the wave is the wave's speed.
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A test tone used on a radio has a frequency of 1,000 Hz. What is the wavelength of this sound in air at normal room temperature? (The speed of sound is 344 meters per second.)
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The wave with the greatest speed is __________.
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Q:
You listen to a live orchestra concert from a cheap seat far away, high up in the balcony. The music seems to be a little out of sync with the conductor's beat. Why?
a. The musicians are paying no attention to the conductor.
b. You are noticing a time lag due to the finite speed of sound.
c. The orchestra is not very good.
d. The viola section is dragging.
Q:
The wavelength of ultrasound at 1 million Hz in air where the speed of sound is 340 m/s is
a. 0.00000034 m
b. 0.0000034 m
c. 0.00034 m
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e. 340,000,000 m
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b. to relay information to orbiting satellites
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b. destructive interference
c. diffraction
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If the temperature of the air rises, the frequency you hear isa. the same as f b. higher than f c. lower than fd. unrelated to f
Q:
If you run towards the source, the frequency you hear isa. the same as f b. higher than f c. lower than fd. unrelated to f
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At temperatures below their boiling point, liquids gradually go into the gas phase through a process called
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The Eiffel tower in Paris is made primarily of iron, whose coefficient of linear expansion is about 10 x 10-6/C. On a cold day when the temperature is "10C the Eiffel tower is 300 meters tall. Its height on a hot day when the temperature is 40C is __________.
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The 1 kg block of ice melts into water. The amount of heat absorbed by the ice as it melts is __________.
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