Which statements are impossible and which statements are true?
1.The rocket's speed was measured to be 0.44c.
2. The rocket's rest length is 144 m. An observer flying by measured the rocket to be 428 m long.
3. A rocket flying towards the Sun at 0.57c measured the speed of the photons (particles of light) emitted by the Sun to be 0.56c.
4. An inertial reference frame had an acceleration of 9.8 m/s2.
5. The proper time interval between two events was measured to be 215 s. The time interval between the same two events (as measured by an observer not in the proper frame) was 153 s
6.The Lorentz factor, ?, has a range that extends from one to c.
7.The range for the velocity of an object extends from 0 m/s to the
8.The elapsed time between two events (as seen in any frame) can never be less than the proper time for those two events.
9.An object's length (as seen in any IRF) can never be less than the object's rest length.
10.The speed of a photon in a vacuum (as seen in any IRF) has a range that extends from one to inifinty.
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