Two ice skaters with masses of 50kg and 60kg respectively are initially at rest and facing each other over a surface of ice. Find the final velocity of 60kg skater if the 50kg skater moves with a velocity of 5m/s.
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The population of a certain Barangay which increases by 10% each year is now 200,000. What will be the expected population in five years (to the nearest 100 people?)