The graph shows projected changes in the populations of the world.
2 answers:
Answer: C. Africa
Explanation:
The data given on the graph shows that:
Asia will grow from around 1,300 million to 5,000 million in 2050 which is an increase of:
= 5,000 /1,300 = 3.84 times
Europe will decrease over that period.
Africa will go from around 300 million to 2,000 million which is an increase of:
= 2,000 / 300
= 6.67 times
Mexico
, Central America, Caribbean Islands:
= 900 / 120
= 7.5 times
United States, Canada, and Greenland:
= 400/120
= 3.33
Oceania:
= 50 / 13
= 3.85
From the options give, Africa will see the greatest increase at 6.67 times its population in 1950.
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Answer:
the net work done on the cart is 160 J.
Explanation:
Given;
mass of the cart, m = 5.0 kg
initial velocity of the cart, u = 6 m/s
final velocity of the cart, v = 10 m/s
The net work done on the cart is equal to change in average kinetic energy of the cart;
Therefore, the net work done on the cart is 160 J.