Recent content by Elsi b

By using acceleration formula with electric field. a= (P x E) / m

yes it has to do with reflection angles: E=180 P vertical=90 and we have 60 degree The unknown angle is = 180 - 90 - 60 = 30 degrees

You can use the snell’s law of refraction with this formula: https://www.gstatic.com/education/formulas2/355397047/en/snell_s_law.svg

yes the difference between two phases when the wave in phase moves to another position,

Thanx for the help

ok so this is what i came up with 2πx/λ =2π0.3/0.8 =3/4π

correct me if I am wrong before the speaker 2 moves to the front, can i measure the Δθ? 2πx/λ =2π0.1/0.2 =π whats makes it hard is that speaker 2 moves in the front of speaker 1...

2πx/λ =2π0.3/0.8 =2.355 =π/1.33 rad :rolleyes:

ok the difference between the two formula is the difference -2πx/λ

If you conclude the time for example, The phase difference at t1 is Pi rad.

Hey friend: i think u are a little bit advance in the formula. I am still new in this kind of questions. The formula that u posted , this one Φ1 its the first time is see this. What does it mean? Thanx. And if u know how to solve this question, i really appreciate it. Now I am starting to do...

Phase 2 speaker 2

Ill try to reply to ur question and this is what i understood. Let's take speaker 2 and the length is 30cm. How far is the wave (from speaker 2) can reach to the listener? This is what i understood... or maybe if u can explain to me? Thanx :-I

I know The two sounds waves will add up, but the formula ϕ=2πx/λ

It will be destructive waves when speaker 2 moves before to be in phase constructive with speaker 1