Answer: <em>Option (d) is correct.</em>
Evolutionary psychology can be referred to as a theoretical viewpoint to the discipline of psychology where one tries to elucidate mental and psychological characteristics, example memory,language etc. The point of this perspective is to bring forth the rudimentary way of reasoning about mechanisms mostly in regards with biology.
Answer:
m = 1.6 x kg
Explanation:
It is given :
Height, h = 170 m
Number of light bulbs = 2.2 million
Power of one bulb = 35 W
Time = 6 minutes = 6 x 60 s
= 360 s
Now power required for 2.2 million bulbs = 2.2 million x 35 W
= 2200000 x 35
= 77000000 W
Now we know that Power = energy / time
Therefore, Energy = Power x time
= 77000000 x 360
= 27720000000
= 2.772 x J
For Dam, we know
Energy = m.g.h
where g = acceleration due to gravity
= 9.8 m/s2
m = mass of water required
h = height from which water falls
= 175 m
Therefore,
E = m.g.h
m = E / (g.h)
= 2.772 x / ( 9.8 x 175 )
= 2.772 x / 1715
= 1.6 x 10 kg
Therefore mass of water = 1.6 x kg