Answer:
48.4 km, 34.3° north of east
Explanation:
Let's say east is the +x direction and north is the +y direction.
Adding up the x components of the vectors:
x = 20 cos 60 + 30 + 0
x = 40 km
Adding up the y components of the vectors:
y = 20 sin 60 + 0 + 10
y = 27.3 km
The magnitude of the displacement is:
d = √(x² + y²)
d = 48.4 km
The direction is:
θ = atan(y/x)
θ = 34.3° north of east
 
        
             
        
        
        
Answer: 24 hours
Explanation: One day is one rotation of the Earth, but it takes the earth 365 days to do one revolution or one year
 
        
             
        
        
        
Answer:blocking all solar radiation 
Explanation:
google has it
 
        
             
        
        
        
Answer:
I dont know this but I have an app for you if your really strangling 
Explanation:
its called Qanda. it really good and teachers help you a lot