Two Weights Are Connected by a Massless Wire and Pulled

question 19

Multiple Choice

Two weights are connected by a massless wire and pulled upward with a constant speed of 1.50 m/s by a vertical pull P. The tension in the wire is T (see figure) . P is closest to

• A) 25 N.
• B) 125 N.
• C) 187.5 N.
• D) 245 N.
• E) 1225 N.

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Definitions:

Vickrey Auction

A sealed-bid auction where the highest bidder wins but pays the price offered by the second-highest bidder.

Willingness To Pay

The maximum amount a consumer is prepared to spend for a particular good or service, reflecting the value they place on it.

Expected Revenue

Expected revenue is the average amount of money a business anticipates earning over a certain period, based on projected sales volumes and prices.

Probability

A numerical expression ranging between 0 and 1 that indicates the chance of an event taking place, where 0 means the event cannot happen and 1 means it will definitely happen.