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A.1 Inertial observer OÂ´ moves at speed v in the negative z-direction with respect to inertial observer O.
Write down the relationship between the sets of coordinates used by the two different observers.

A.2 A rocket moves at speed 4c/5 towards the earth. It fires a missile at a speed of 3c/5 opposite to
its direction of motion as measured on the rocket. With what speed does the missile strike the earth?

A.3 If A = (&#955;, 1,2,2) is a future-pointing timelike 4-vector, what is the maximum information you know about &#955;.

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Solution Preview

A 1 :- Let the two observers O and Oâ€² are observing the same event at any point P whose co-ordinates are
(x,y,z,t) and (xâ€²,yâ€²,zâ€²,tâ€²) in two inertial frames of reference S and Sâ€² respectively.
Since the inertial observer Oâ€² moves at speed v in the negative z-direction with respect to
inertial observer O, the relationship between the two sets of co-ordinates used are
xâ€² = x, yâ€² = y , zâ€² = Î²(z + vt) , tâ€² = Î²(t + vx/c2) where Î² = 1/[1 - ...

Solution Summary

This solution is comprised of a detailed explanations of the problems of the special theory of relativity.
It contains step-by-step explanation for the following problems:
A.1 Inertial observer OÂ´ moves at speed v in the negative z-direction with respect to inertial observer O.
Write down the relationship between the sets of coordinates used by the two different observers.

A.2 A rocket moves at speed 4c/5 towards the earth. It fires a missile at a speed of 3c/5 opposite to
its direction of motion as measured on the rocket. With what speed does the missile strike the earth?

A.3 If A = (&#955;, 1,2,2) is a future-pointing timelike 4-vector, what is the maximum information you know about &#955;.

Solution contains detailed step-by-step explanation.

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