Answer:
measure the vector diagram first
X=r-p. Maybe I don't understand, but I am assuming that you need to isolate for X? you simply subtract p from both sides.<span />
Answer:
Explanation:
i dont speak arbic so ill take the points
Answer:
Distance traveled will be 
Explanation:
We have given speed of the light 
We have to find the distance traveled by light in 1 year
We know that 1 year = 8760 hour
And 1 hour = 60×60 = 3600 sec
So 1 year 
We know that distance = speed × time
So distance traveled by light in one year 
We have to fond the distance in km
As we know that 1 km = 1000 m
So 