Astring with a length of 4 m is held under a constant tension. the string has a linear mass density of μ = 0.006 kg/m. two resonant frequencies of the string are 400 hz and 480 hz. there are no resonant frequencies between the two frequencies. (a) what are the wavelengths of the two resonant modes? (b) what is the tension in the string?

with 5 seconds, no, but over time if the police car stays at 65m/s ad the speeding car stays at 60, then obviously yes, but the answer to your question would be, no.

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when jerome paddle in flowing river towards east the net speed of jerome will increase

so the net speed of jerome will be given as

now the speed of paul will be same as it is given as he is running on the ground

so

so here we can say since the speed of jerome is more so he will win the race

now as we know the distance so the time difference is given as

so jerome will reach first and the time difference will be 203.55 s or 3.4 min