Answer:
0.37s to 2d.p
Explanation:
period T = no of oscillation/time taken
-  no of oscillation is 59
- time taken=2×60+40= 120s + 40s=160s
 T=59/160
 T=0.37 to 2d.p
 
        
             
        
        
        
Answer:
distance and angle such that points equally distant from a fixed. point lie on a line and lines making a given angle with a fixed line pass. through a point. On account of this property we have called this. distance linear.
 
        
                    
             
        
        
        
Answer:
The correct definitions are a, c and d
Explanation:
The definitions of system, heat energy and chemical energy are correct but the definition of surrounding is not correct. 
 
        
             
        
        
        
if a business is trying to sell a piece of land in that area, and wants it assessed
 
        
             
        
        
        
The main reason is that the USA is in the Northern Hemisphere & Australia is in the Southern Hemisphere. It has all to do with the tilt of the earth as it revolves around the Sun. Summer happens in the hemisphere tilted towards the Sun, and winter happens in the hemisphere tilted away from the Sun.