Physics, 19.10.2019 07:00 dancinggrace2032
Question 1
which statement best describes wavelength?
a. wavelength is the same as pitch.
b. wavelength is the speed at which a wave travels.
c. wavelength is the length of one complete wave cycle.
d. wavelength is the length of two complete wave cycles.
question 2
as demonstrated by the doppler effect, why does sound increase in pitch as a sound source approaches you?
a. objects vibrate slower when they move forward.
b. the waves are closer together because the object is moving toward you.
c. objects vibrate faster when they move forward.
d. the waves are farther apart because the object is moving toward you.
question 3
which statement best describes frequency and pitch?
a. pitch is how frequency is perceived.
b. frequency and pitch are the opposite of wavelength and velocity.
c. frequency and pitch are the same as wavelength and velocity.
d. frequency and pitch are never found in a description of the doppler effect.
for
Answers: 1
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Iwill give 30 points to whoever answers ! what is the formula for actual mechanical advantage and ideal mechanical advantage?
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Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.
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Physics, 22.06.2019 07:30
Write the function getkthdigit(n, k) that takes a possibly-negative int n and a non-negative int k, and returns the kth digit of n, starting from 0, counting from the right
Answers: 3
Question 1
which statement best describes wavelength?
a. wavelength is the...
which statement best describes wavelength?
a. wavelength is the...
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