A starship voyages to a distant planet 10 ly away. The explorers stay 4.0 yr, return at the same speed, and arrive back on earth 26 yr after they left. Assume that the time needed to accelerate and decelerate is negligible. Part A What is the speed of the starship? Express your answer using two significant figures. = 0.91 Submit Previous Answers Part B Correct How much time has elapsed on the astronauts' chronometers? Express your answer using two significant figures. ΜΕ ΑΣΦ t = 52.4 ? Submit Previous Answers Request Answer × Incorrect; Try Again; 5 attempts remaining Provide Feedback years Next >

College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter3: Two-dimensional Kinematics
Section: Chapter Questions
Problem 64PE: (a) Use the distance and velocity data in Figure 3.64 to find the rate of expansion as a function of...
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A starship voyages to a distant planet 10 ly away.
The explorers stay 4.0 yr, return at the same
speed, and arrive back on earth 26 yr after they
left. Assume that the time needed to accelerate and
decelerate is negligible.
Part A
What is the speed of the starship?
Express your answer using two significant figures.
= 0.91
Submit
Previous Answers
Part B
Correct
How much time has elapsed on the astronauts' chronometers?
Express your answer using two significant figures.
ΜΕ ΑΣΦ
t = 52.4
?
Submit Previous Answers Request Answer
× Incorrect; Try Again; 5 attempts remaining
Provide Feedback
years
Next >
Transcribed Image Text:A starship voyages to a distant planet 10 ly away. The explorers stay 4.0 yr, return at the same speed, and arrive back on earth 26 yr after they left. Assume that the time needed to accelerate and decelerate is negligible. Part A What is the speed of the starship? Express your answer using two significant figures. = 0.91 Submit Previous Answers Part B Correct How much time has elapsed on the astronauts' chronometers? Express your answer using two significant figures. ΜΕ ΑΣΦ t = 52.4 ? Submit Previous Answers Request Answer × Incorrect; Try Again; 5 attempts remaining Provide Feedback years Next >
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