A spaceship leaves Earth traveling at 0.66c. A secondspaceship leaves the first

Question

A spaceship leaves Earth traveling at 0.66c. A secondspaceship leaves the first at a speed of 0.82c with respect to thefirst. (a) Calculate the speed of the second space ship withrespect to Earth if it is fired in the same direction the firstspaceship is already moving. (b) Calculate the speed of the second ship with respectto Earth if it is fired directly backward toward Earth. A spaceship leaves Earth traveling at 0.66c. A secondspaceship leaves the first at a speed of 0.82c with respect to thefirst. (a) Calculate the speed of the second space ship withrespect to Earth if it is fired in the same direction the firstspaceship is already moving. (b) Calculate the speed of the second ship with respectto Earth if it is fired directly backward toward Earth.

Explanation / Answer

We have. V=(u+v)/(1+uv/c^2) so part a. V=0,96c. part b. V=0,35c

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