Question

: An observer on earth notices two rockets A and B at x=0 and t=0. According to this

observer the rocket B is moving in +x direction with speed 0.6 c, while the rocket A moves

in –x direction with the same speed. The watches of the observers sitting in the two

rockets also show a zero time at this instant. After one second, as measured in Earth’s

frame, rocket B emits a light signal in –x direction. What is the time in the watches of

observers on earth and in Rockets A and B, when light signal reaches A.
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Answer 1

Explanation:

Practice drawing for ch. 10 .

1) Parts of a plant.

2) Types of plant (two each). Tree, shrubs, herbs, climbers, creepers & aquatic plants.

3) photosynthesis.If amplitude of a sound is reduced by ⅓ then what happened to its loudness?Nucleus. nucleus; animal cell. ...

Ribosomes. Ribosomes are the protein factories of the cell. ...

Endoplasmic reticulum. Ribosomes on the outer surface of the endoplasmic reticulum play an important role in protein synthesis within cells. ...

Golgi apparatus. Golgi apparatus. ...

Chloroplasts. chloroplast structure. ...

Mitochondria.

scanvengers are who eat the flesh of dead animals