A Particle of Mass M Moving at 5

question 72

Multiple Choice

A particle of mass m moving at 5.0 m/s in the positive x direction makes a glancing elastic collision with a particle of mass 2m that is at rest before the collision.After the collision,m moves off at an angle of 45º to the x axis and 2m moves off at 60º to the x axis.The speed of m after the collision is

• A)4.5 m/s
• B)2.5 m/s
• C)3.3 m/s
• D)1.8 m/s
• E)1.1 m/s

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Definitions:

Fair Value

The estimated market price at which an asset or liability could be bought or sold in a transaction between willing parties.

Held-to-maturity Investments

Securities that a company has the intent and ability to hold until a fixed maturity date, typically reported at amortized cost on the balance sheet.

Fair Value

The estimated market value of an asset or liability, based on current prices in an open and competitive marketplace.

Equity Method

A method of accounting for investments in which the investment is initially recorded at cost and subsequently adjusted for the investor’s share of the investee’s net income or losses and dividends received.