A 12-Kg Object Moving with a Speed of 8

question 31

Multiple Choice

A 1.2-kg object moving with a speed of 8.0 m/s collides perpendicularly with a wall and emerges with a speed of 6.0 m/s in the opposite direction. If the object is in contact with the wall for 2.0 ms, what is the magnitude of the average force on the object by the wall?

• A) 9.8 kN
• B) 8.4 kN
• C) 7.7 kN
• D) 9.1 kN
• E) 1.2 kN

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Definitions:

Goodwill

Goodwill represents the excess of the purchase price paid for an acquired company over the fair value of its identifiable net assets at the time of acquisition.

Equity Method

An accounting technique used to record investments in which the investor has significant influence over the investee, recognizing their share of the profits and losses.

Indefinite Useful Life

An intangible asset with an expected life that extends beyond the foreseeable future, not requiring amortization but subject to annual impairment tests.

Acquisition Differential

The difference between the purchase price of an acquired entity and the fair value of its identifiable net assets.