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Jovanny Kelley
Physics
The second harmonic of a guitar string has a frequency of 120 hz. what is the length of the guitar string if the speed of the waves on the string is 110 m/s?
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Presley
Physics
Which of the following processes is NOT a chemical change?
A
burning candles
B
cooking an egg
C
grilling a steak
D
mowing grass
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Rebecca Baird
Physics
In the diagrams, the solid green line represents Earth's rotational axis and the dashed red line represents the magnetic field axis. Which diagram accurately shows Earth's magnetic field?
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Salma Shepard
Physics
In order for natural selection to occur, Charles Darwin stated we must begin with a population of organisms that has genetic
A) competition.
B) engineering.
C) reproduction.
D) variation.
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Gustavo Wiggins
Physics
How fast must a 6 kg cat run to have kinetic energy of 150 j?
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Shyann Mann
Physics
Alleles are variations of genes. How are they expressed?
A. repetitive or creative
B. major or minor
C. temporary or permanent
D. dominant or recessive
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Marques Gilmore
Physics
Which statement about electric force is true?
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Phoebe Aguirre
Physics
The boundary between the crust and mantle is marked by a seismic-velocity discontinuity called
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Mekhi Richards
Physics
average distance of 160.0 cm. Its average time was 5.74 seconds. What is its average speed?
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Haiden Carrillo
Physics
Tools used as nut crackers by chimps and birds
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Travis Gilmore
Physics
What type of electromagnetic wave does a light bulb and a radio antenna release?
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Colton Bright
Physics
Why was the inclusion of sketches in his notes important to Galileo's studies
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Kaley Lester
Physics
7. If your accelerator suddenly gets stuck what should you do?
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Lesly Barajas
Physics
When h2o is removed from the mixture does the equilibrium shift to the right to the left or is there no shift?
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Shea Monroe
Physics
Which best explains why the acoustics underwater affect the Doppler effect?
Sound waves can not transfer energy through water.
Sound waves can not travel through water.
The speed of sound is less in water than in air.
The speed of sound is greater in water than in air.
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