Answer:
8 signals received by twin A during the trip.
Explanation:
Given that,
Distance = 12 light year
Speed = 0.6 c
Time = 1 year
We need to calculate the time by A
Using formula of time

Put the value into the formula


Similarly,
The expression for distance cover by A



We need to calculate the time
Using formula of time



We need to calculate the signals received by twin A
Using formula for number of signals

Put the value into the formula


Hence, 8 signals received by twin A during the trip.
Answer:
5 Days to Seconds = 432000
Explanation:
Answer: question 1 is b I believe
Explanation:
every action has an opposite reaction
The earth is 4.54 billion years old.
Your answer is correct. No problem and Have a nice day