An 80-Kg Man Is Skating Northward and Happens to Suddenly

question 97

Short Answer

An 80-kg man is skating northward and happens to suddenly 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° north of east. How fast was the boy moving just before the collision?

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Definitions:

Borrowed

Refers to money obtained with an agreement to return it, usually with interest.

Lottery

A form of gambling involving the drawing of numbers at random for a prize.

Earn

Earn refers to receiving money in exchange for work or services rendered, or through investment returns.

Interest Rate

The percentage of the principal amount charged by a lender to a borrower for the use of assets, typically expressed as an annual percentage rate (APR).