An 80 Kg Man Is Skating Northward and Happens to Collide

question 34

Short Answer

An 80. kg man is skating Northward and happens to collide with a 20. kg boy who is ice skating toward the East. Immediately after the collision, the man and boy are seen to be moving together at 2.5 m/s in a direction 60 degrees North of East. How fast was the boy moving before the collision?

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Definitions:

Teletype Machines

Early communication devices used to send typed messages over long distances through telecommunication lines.

Dividend Yield

A financial ratio that indicates how much a company pays out in dividends each year relative to its share price, often used by investors to gauge the income a company's stock will generate.