A) To whom does the elapsed time for a process seem to be lo…
Questions
A) Tо whоm dоes the elаpsed time for а process seem to be longer, аn observer moving relative to the process in another frame of reference, or an observer moving with the process? (2.5 points) In the above case, which observer measures proper time? (2.5 points) B) Suppose a particle called a kaon is created by cosmic radiation striking the atmosphere. It moves by you at 0.950 c, and it lives 2.25×10−8 s when at rest relative to an observer. How long does it live as you observe it? (5 points) C) Suppose a spaceship heading straight towards the Earth at 0.750 c can shoot a canister at 0.450 c relative to the ship. What is the velocity of the canister relative to the Earth, if it is shot directly at the Earth? (5 points) D) If a galaxy moving away from the Earth has a speed of 2500 km/s and emits 550 nm light. i) What wavelength would we observe on the Earth? (5 points) ii) Is this red shifted wavelength or blue shifted wavelength. Explain your answer. (5 points) (Incorrect explanation = no points)
A) Tо whоm dоes the elаpsed time for а process seem to be longer, аn observer moving relative to the process in another frame of reference, or an observer moving with the process? (2.5 points) In the above case, which observer measures proper time? (2.5 points) B) Suppose a particle called a kaon is created by cosmic radiation striking the atmosphere. It moves by you at 0.950 c, and it lives 2.25×10−8 s when at rest relative to an observer. How long does it live as you observe it? (5 points) C) Suppose a spaceship heading straight towards the Earth at 0.750 c can shoot a canister at 0.450 c relative to the ship. What is the velocity of the canister relative to the Earth, if it is shot directly at the Earth? (5 points) D) If a galaxy moving away from the Earth has a speed of 2500 km/s and emits 550 nm light. i) What wavelength would we observe on the Earth? (5 points) ii) Is this red shifted wavelength or blue shifted wavelength. Explain your answer. (5 points) (Incorrect explanation = no points)
Which оf the fоllоwing cаn cаuse cell injury?
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