A 25-Kg Boy Jumps Off of a Raft

question 54

Multiple Choice

A 25-kg boy jumps off of a raft.If the boy jumps off at a speed of 3.90 m/s relative to the lake and the raft moves in the opposite direction with a speed of 1.0 m/s relative to the lake,find the mass of the raft.Ignore the effects of water resistance.

• A)22 kg
• B)78 kg
• C)109 kg
• D)120 kg
• E)98 kg

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Definitions:

Economic Profit

The difference between total revenue and total costs, including both explicit and implicit costs.

Dominant Strategy

In game theory, a strategy that is best for a player regardless of the strategies chosen by other players.

Individual Profits

The net gain in monetary terms realized by an individual or a single business entity from its investment or business operations.

Nash Equilibrium

A concept in game theory where no player can benefit by changing strategies if the strategies of the other players remain unchanged.