Author Question: Which statement is correct about the relationship between the instantaneous speed and the magnitude ... (Read 39 times)

kfurse · **on:** Jul 29, 2018

Which statement is correct about the relationship between the instantaneous speed and the magnitude of the instantaneous velocity?

A)

The average speed can be less than, greater than or equal to the magnitude of the average velocity.
B)

The instantaneous speed is always equal to the magnitude of the instantaneous velocity.
C)

The average speed is always less than or equal to the magnitude of the average velocity.
D)

The instantaneous speed is always greater than or equal to the magnitude of the instantaneous velocity.
E)

The average speed is always one-half the magnitude of the average velocity.

Question 2

A 200-Hz and a 206-Hz sound are emitted into the same volume of space. What is the frequency of intensity variation?

A)

406 Hz

B)

41.2 kHz

C)

6 Hz

D)

1.03 Hz

E)

203 Hz