A Block of Mass M = 8

question 7

Multiple Choice

A block of mass m = 8.40 kg,moving on a horizontal frictionless surface with a speed 4.20 m/s,makes a perfectly elastic collision with a block of mass M at rest.After the collision,the 8.40 block recoils with a speed of 0.400 m/s. In the figure,the blocks are in contact for 0.200 s.The magnitude of the average force on the 8.40-kg block,while the two blocks are in contact,is closest to

• A) 193 N
• B) 185 N
• C) 176 N
• D) 168 N
• E) 160 N

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Definitions:

Capital Budgeting

The whole process of analyzing projects and deciding whether they should be included in the capital budget.

Capital Asset Pricing Model

A model that describes the relationship between systematic risk and expected return for assets, particularly used in the pricing of risky securities.

Expected Return

The weighted average of all possible returns of an investment, considering all risks and the likelihood of each outcome.

Well-diversified Portfolio

An investment portfolio with a mix of assets designed to reduce exposure to risk by spreading investments across various sectors or asset classes.