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Physics, 28.01.2020 05:31 tessalopezgarcia2345

A5.00 kg object oscillates back and forth at the end ofa spring whose spring constant is 49.3 n/m. an obersever istraveling at a speed of 2.80 *10^8 m/s relative to the fixed end ofthe spring. what does this observer measure for the period ofoscillation.
the answer in the back of the book is 5.57 seconds, but i keepgetting 30 seconds. can someone tell me what i am doing wronghere is my work:
t= period observer sees
to=real period
to=2π*√(m/k)=2π*√(5.00kg/49.3n/m)=2 .00sec
t=to/(1-√(v^2/ where v=2.80*10 ^8 m/s andc=3.0*10^8 m/s
t=2.00/(1-√((2.80*10^8)^2/(3.00*10^ 8)^2))=30seconds

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A5.00 kg object oscillates back and forth at the end ofa spring whose spring constant is 49.3 n/m. a...

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