question 1
Question 1 - Regarding the oscillatory movement, check what is false:
a) The time required for a body to complete a complete oscillation is called a period.
b) The frequency of oscillation of a body is inversely proportional to its period.
c) The oscillation frequency can be measured in units of oscillations per second, also known as Hertz (Hz);
d) The rpm is a unit of frequency used to measure the number of oscillations or rotations of a body every minute.
e) The frequency of oscillation of a body is directly proportional to its period.
question 2
Question 2 - A body that oscillates with a frequency of 4.0 Hz:
a) presents a period of 4.0 s.
b) has a frequency of 150.0 rpm.
c) completes an oscillation every 0.25 s.
d) complete 4 oscillations every minute.
e) complete half oscillation in 4 seconds.
More questionsPhilosophy is the residual science capable of dealing with almost any subject. As it could not be different, philosophy also raises questions about science, thus forming a philosophy of science. Watch our video class and get to know the subject better.
Do you want more information about the History course and the profession? Check out an interview with historian Gabriela Pellegrino, who tells you everything you need to know about the subject.