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Physics 6C Ch27worksheet Solutions

# Physics 6C Ch27worksheet Solutions - PHYSICS 6C Ch.27...

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Unformatted text preview: PHYSICS 6C Ch.27 Worksheet Solutions clas.ucsb.edu/staff/vince/ 1) Astronaut Benny travels to Vega, the fifth brightest star in the night sky, leaving his 35-year-old twin sister Jenny behind on Earth. Benny travels with a speed of 0.99c, and Vega is 25.3 light-years from Earth. a) How long does the trip take from the point of view of Jenny? b) How much has Benny aged when he arrives at Vega? part a): yrs 6 . 25 c 99 . years light 25 t t v d part b): yrs 6 . 3 ) 99 . ( 1 ) yrs 6 . 25 ( c v 1 t t c v 1 t t 2 2 2 2 2 2) An astronaut moving with a speed of 0.65c relative to Earth measures her heart rate to be 72 beats per minute. a) When an Earth- based observer measures the astronaut’s heart rate is the result greater than, less than, or equal to 72 bpm? b) Calculate the astronaut’s heart rate as measured on Earth. part a): Less than 72bpm – the moving object undergoes time dilation....
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Physics 6C Ch27worksheet Solutions - PHYSICS 6C Ch.27...

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