1. Based on the problem below, the time and length observed by observer onearth compared with that observed by an observer on the spaceship itself hasa difference of a factor of abouta. 2b. 5c. 7d. 102. Based on the problem below, what is the duration of each light pulse asmeasured by the observer on earth?a. 1.42 EXP-5 sb. 2.54 EXP-6 sc. 2.82 EXP-7 sd. 3.52 EXP-8 s A spaceship flies past earth with a speed of 0.990c (about 2.97 EXP 8 m/s) relativeto earth. A high intensity signal light (perhaps a pulsed laser) blinks on and off;each pulse lasts 2.00 EXP-6 seconds) as measured in the spaceship. At a certaininstant the ship is 1000 km above the observer on earth and is travelingperpendicular to the line of sight of the observer. Let AT be the time intervalmeasured in the earth's frame of reference and At be the time interval in the frameof reference of the spaceship. Let c=3.00 EXP8 m/s.

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1. Based on the problem below, the time and length observed by observer onearth compared with that observed by an observer on the spaceship itself hasa difference of a factor of about a. 2 b. 5 c. 7 d. 10 2. Based on the problem below, what is the duration of each light pulse asmeasured by the observer on earth? a. 1.42 EXP-5 s b. 2.54 EXP-6 s c. 2.82 EXP-7 s d. 3.52 EXP-8 s

1. Based on the problem below, the time and length observed by observer onearth compared with that observed by an observer on the spaceship itself hasa difference of a factor of about a. 2 b. 5 c. 7 d. 10 2. Based on the problem below, what is the duration of each light pulse asmeasured by the observer on earth? a. 1.42 EXP-5 s b. 2.54 EXP-6 s c. 2.82 EXP-7 s d. 3.52 EXP-8 s