What is the frequency heard by a person driving at 10 m/s toward a stationary whistle (300. Hz) if the speed of sound is 343 m/s?
0 291.2 Hz
O 308.7 Hz
O 1.02
O 3000 Hz

to be honest as much as i would love to answer this. i feel as if something's missing. just saying.

a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be?

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conduction, convection, radiation