Question

2. Moving waves can be described either as a function of time or as a function of

A. position.
B. speed.
C. amplitude.
D. frequency.

Answer 1

ik d.is Incorrect

Answer 2

plz help

Answer 3

Michele_Laino

Answer 4

@Michele_Laino

Answer 5

I already answered to that question

Answer 6

amplitude?

Answer 7

ik but d. was rong

Answer 8

D. frequency.
is wrong

Answer 9

I think position, since a plane wave can be represented by this formula:
\[\Large f\left( {x,t} \right) = A{e^{ - \left( {kx - \omega t} \right)}}\]
where x is the position, and t is time

Answer 10

oops..
\[\Large f\left( {x,t} \right) = A{e^{ - i\left( {kx - \omega t} \right)}}\]

Answer 11

20. Using the DMS method to describe an angle, one degree of angle measurement can be divided into how many minutes?

A. 100′
B. 90′
C. 360′
D. 60′

Answer 12

c is Incorrect

Answer 13

this is the last one

Answer 14

sorry what is DMS method?

Answer 15

idk

Answer 16

here can you help me with this one
19. Trigonometric functions using the ratio of two sides of a triangle can be used to solve _______ triangles.

A. acute
B. right
C. obtuse
D. oblique

Answer 17

I know
DMS method stands for:
Degrees Minute Seconds method
so the last option

Answer 18

c is wrong

Answer 19

i think is d

Answer 20

yes it is option D