What is the frequency of a sound wave that is traveling through water at
1400 m/s and has a wa...
Physics, 06.05.2020 03:40, aksambo4707
What is the frequency of a sound wave that is traveling through water at
1400 m/s and has a wavelength of 7.0 m? *
f=
07.0 Hz
O700 Hz
ะ 200 Hz
ะะ.01 Hz
Answers: 1
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The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane
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World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course? a. 12.5 m/sb. 1.33 m/sc. 1.25 m/sd. 13.3 m/s
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Physics, 22.06.2019 12:50, natalyarenassalgado
Arunner is jogging at a steady 3.6 km/hr. when the runner is 2.9 km from the finish line, a bird begins flying from the runner to the finish line at 14.4 km/hr (4 times as fast as the runner). when the bird reaches the finish line, it turns around and flies back to the runner. even though the bird is a dodo, we will assume that it occupies only one point in space, i. e., a zero-length bird. how far does the bird travel? (b) after this first encounter, the bird then turns around and flies from the runner back to the finish line, turns around again and flies back to the runner. the bird repeats the back and forth trips until the runner reaches the finish line. how far does the bird travel from the beginning? (i. e. include the distance traveled to the first encounter)
Answers: 2
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