Me urgent test
question 3: unlike a transverse wave, the disturbance in a longitudinal...
Me urgent test
question 3: unlike a transverse wave, the disturbance in a longitudinal wave is
1. in a circular motion.
2. in the opposite direction of the wave motion.
3. prependicular to the wave motion.
4. parallel to the wave motion.
question 4: which is true about a surface wave?
1. it does not have properties of either transverse or longitudinal waves.
2. it only has properties of transverse waves.
3. it has properties of both transverse and longitudinal waves.
4. it only has properties of longitudinal waves.
question 5: what is the speed of a wave if the wavelength is 100 m and the period is 20 s?
1. 80 m/s
2. 5 m/s
3. 120 m/s
4. 2,000 m/s
question 7: which of these is part of the middle ear?
1. the ossicles
2. external auditory meantus
3. tympanic membrane
4. organ of corti
question 8: if the number of crests that pass a point in a given time increases, what has decreased?
1. wavelength
2. amplitude
3. intensity
4. frequency
question 9: what sound frequency would a human ear not be able to detect?
1. 1,000 hertz
2. 10,000 hertz
3. 100,000 hertz
4. 100 hertz
question 10: the doppler effect is used in hospitals to
1. measure temperature.
2. monitor blood pressure.
3. monitor oxygen levels.
4. monitor blood flow.
Answers: 1
Biology, 21.06.2019 21:30
Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?
Answers: 2
Biology, 21.06.2019 23:30
Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?
Answers: 2
Biology, 22.06.2019 03:40
How can active reading strategies you? o a. they can you get into better physical shape. o b. they can you read fewer science articles. o c. they can you understand what you read. o d. they can you avoid reading altogether.
Answers: 3
Chemistry, 08.12.2019 03:31
Mathematics, 08.12.2019 03:31
Mathematics, 08.12.2019 03:31
Biology, 08.12.2019 03:31
Mathematics, 08.12.2019 03:31
Spanish, 08.12.2019 03:31
Mathematics, 08.12.2019 03:31
Chemistry, 08.12.2019 03:31
Mathematics, 08.12.2019 03:31