Question 3 options:
A)
Physics, 29.05.2020 12:57 jacobc7698
Which of the following statements is true of vibrations?
Question 3 options:
A)
Ultrasonic vibrations have a frequency lower than the range for normal hearing.
B)
The frequency of infrasonic vibrations is much too high to be heard by humans.
C)
Infrasonic vibrations are used in sonar equipment and to detect flaws in steel castings.
D)
Neither ultrasonic nor infrasonic vibrations can be heard by humans.
Answers: 2
Another question on Physics
Physics, 21.06.2019 23:30
Edward tolman explained the results of his study by theorizing that the rats were learning about the maze during every trial but they a. were agitated because other groups were getting reinforcement b. could not remember how to demonstrate it without reinforcement c. were not motivated to demonstrate it without reinforcement d. seemed to be too lazy to actually work without reinforcement
Answers: 3
Physics, 22.06.2019 06:30
In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant
Answers: 1
Physics, 22.06.2019 07:00
The seven sisters, seven stars located more than 400 light-years away in the taurus constellation can be seen here with venus and another constellation, orion. the seven stars stay grouped together but seem to move, like the planet venus. why do stars seem to move like planets in the night sky?
Answers: 3
Physics, 22.06.2019 10:30
Awoman holds a book by placing it between her hands such that she presses at right angles to the front and back covers. the book has a mass of m = 1.8 kg and the coefficient of static friction between her hand and the book is μs = 0.67. no attempt 50% part (a) what is the weight of the book, fgb in newtons?
Answers: 3
You know the right answer?
Which of the following statements is true of vibrations?
Question 3 options:
A)
Question 3 options:
A)
Questions
English, 03.08.2019 14:30
Arts, 03.08.2019 14:30
Social Studies, 03.08.2019 14:30
Biology, 03.08.2019 14:30
Biology, 03.08.2019 14:30
Biology, 03.08.2019 14:30
Mathematics, 03.08.2019 14:30
History, 03.08.2019 14:30
Mathematics, 03.08.2019 14:30
