A spacecraft A passes spacecraft B at moment t = () as measured on from Earth's frame. Spacecraft A travels at a speed of ().8c in the positive x direction, and B travels at a speed of 0.6c also in the positive x direction. After 4 seconds, according to A's reference frame, a pulse of light is emitted from spacecraft A to spacecraft B. a. Assuming the spacecrafts are moving on the same line, what is the speed of spacecraft A as measured from the frame of reference of spacecraft B? (Give the answer in units of c) 0.38 b) How much time (in seconds) in the frame of reference of spacecraft B passes from the moment the spacecrafts pass each other until the pulse is received in spacecraft B?
A spacecraft A passes spacecraft B at moment t = () as measured on from Earth's frame. Spacecraft A travels at a speed of ().8c in the positive x direction, and B travels at a speed of 0.6c also in the positive x direction. After 4 seconds, according to A's reference frame, a pulse of light is emitted from spacecraft A to spacecraft B. a. Assuming the spacecrafts are moving on the same line, what is the speed of spacecraft A as measured from the frame of reference of spacecraft B? (Give the answer in units of c) 0.38 b) How much time (in seconds) in the frame of reference of spacecraft B passes from the moment the spacecrafts pass each other until the pulse is received in spacecraft B?
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Transcribed Image Text:A spacecraft A passes spacecraft B at moment t = () as
measured on from Earth's frame. Spacecraft A travels at a
speed of ().8c in the positive x direction, and B travels at a
speed of 0.6c also in the positive x direction.
After 4 seconds, according to A's reference frame, a pulse
of light is emitted from spacecraft A to spacecraft B.
a. Assuming the spacecrafts are moving on the same line,
what is the speed of spacecraft A as measured from the
frame of reference of spacecraft B? (Give the answer in
units of c)
0.38
b) How much time (in seconds) in the frame of reference of
spacecraft B passes from the moment the spacecrafts pass
each other until the pulse is received in spacecraft B?
