Activity 2.1. Resolving Twin Paradox Deniece is one of the most promising young Physicist in our country. At the age of 20, she participated on a space journey with a speed of .85c leaving her twin brother Liam who facilitated the conduct of the said space exploration. In addition, the space journey took 35 years based on Earth's time. Based on this situation, identify the age of the twins after Deniece successfully returned to Earth. In addition, describe how time dilation affects aging in the outer space.

Activity 2.1. Resolving Twin Paradox Deniece is one of the most promising young Physicist in our country. At the age of 20, she participated on a space journey with a speed of .85c leaving her twin brother Liam who facilitated the conduct of the said space exploration. In addition, the space journey took 35 years based on Earth's time. Based on this situation, identify the age of the twins after Deniece successfully returned to Earth. In addition, describe how time dilation affects aging in the outer space.

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter26: Relativity

Section: Chapter Questions

Problem 26P: A pulsar is a stellar object that emits light in short bursts. Suppose a pulsar with a speed of...

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(a) Wliat is the approximate velocity relative to us of a galaxy near the edge of the known universe, some 10 Gly away? (b) What fraction of the speed of light is this? Note that we have observed galaxies moving away from us at greater than 0.9c.
(a) Calculate the relativistic quantity =11v2/c2for 1.00-TeV protons produced at Fermilab. (b) If such a proton created a +having the same speed, how long would its life be in the laboratory? (c) How far could it travel in this time?
(a) How fast would an athlete need to be running for a 100-m race to look 100 yd long? (b) Is the answer consistent with the fact that relativistic effects are difficult to observe in ordinary circumstances? Explain.
(a) Suppose the speed of light were only 3000 m/s. A jet fighter moving toward a target on the ground at 800 m/s shoots bullets, each having a muzzle velocity of 1000 m/s. What are the bullets' velocity relative to the target? (b) If the speed of light was this small, would you observe relativistic effects in everyday life? Discuss.
A pulsar is a stellar object that emits light in short bursts. Suppose a pulsar with a speed of 0.950c approaches Earth, and a rocket with a speed of 0.995c heads toward the pulsar. (Both speeds are measured in Earth's frame of reference.) If the pulsar emits 10.0 pulses per second in its own frame of reference, at what rate are the pulses emitted in the rockets frame of reference?
(a) How long does it take the astronaut in Example 28.2 to travel 4.30 ly at 0.99944c (as measured by the Earth-bound observer)? (b) How long does it take according to the astronaut? (c) Verify that these two times are related through time dilation with =30.00 as given.