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anonymous
 one year ago
If 20 waves of water pass you in 5.0 s and the waves are 2.0 m long, how fast are they moving?
1.0 m/s , 2.0 m/s , 4.0 m/s , or 5.0 m/s ?
anonymous
 one year ago
If 20 waves of water pass you in 5.0 s and the waves are 2.0 m long, how fast are they moving? 1.0 m/s , 2.0 m/s , 4.0 m/s , or 5.0 m/s ?

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Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.2is 2.0 meters the wave length ?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ohh so our solution is 2.0 m/s?

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.2I'm pondering...

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.2if 20 waves pass in 5 seconds, the one wave pass in 5/20=0.25 seconds

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.2so I see one wave length every 0.25 seconds, and the requested speed is: 2/0.25=8

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.2what is wrong in my reasoning?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ohh okay! ermm i am not sure... :/ the solution is 8 though right? :/

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i am not sure why that is not a choice? :/

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0because your reasoning makes sense :/

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0okay! thank you!! :)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0haha it is okay! thank you:)

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.2please try to ask to another tutor

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.2please wait I call for another tutor

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.2@Australopithecus please help!

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.2@Hero please help

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.2@amistre64 please help

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.2@sammixboo please help

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.2@Jaynator495 please help

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.2@Nnesha @ParthKohli please help

ParthKohli
 one year ago
Best ResponseYou've already chosen the best response.0\[v = f \times \lambda\]

ParthKohli
 one year ago
Best ResponseYou've already chosen the best response.0v  velocity of the wave. f  frequency of the wave (number of waves passing in 1 second). \(\lambda\)  wavelength, or length of a wave.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0so f=20/5 = 4 waves per second? and wavelength is 2.0 m ?

ParthKohli
 one year ago
Best ResponseYou've already chosen the best response.0That is correct. The answer is thus \(4 ~s^{1} \times 2 ~m = 8 ~ms^{1}\).

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ooh okay! hmm i am not sure then :/ i was not given that choice :( i think maybe a typo? haha :P but yes, thank you both very much!!:)

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.2thanks! @ParthKohli
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