A 50-Kg Toboggan Is Coasting on Level Snow

question 52

Multiple Choice

A 50-kg toboggan is coasting on level snow. As it passes beneath a bridge, a 20-kg parcel is dropped straight down and lands in the toboggan. If KE₁ is the original kinetic energy of the toboggan and KE₂ is the kinetic energy after the parcel has been added, what is the ratio KE₂/KE₁.

• A)0.4
• B)0.6
• C)0.7
• D)0.8
• E)1

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Definitions:

Negotiable Instruments

Financial documents, like checks or promissory notes, that guarantee payment of a specific amount of money to the bearer under certain conditions.

UCC

Stands for Uniform Commercial Code, which is a comprehensive set of laws governing all commercial transactions in the United States.

Anglo-American Law

A legal system originating in England and now prevalent in the United States and many Commonwealth countries, characterized by the doctrine of precedent.

Currency Substitute

Any means of payment used in lieu of traditional money (coins and banknotes) for the transaction of goods and services.