A Block of Mass M = 9

question 73

Multiple Choice

A block of mass m = 9.0 kg and speed V and is behind a block of mass M = 27 kg and speed of 0.50 m/s, as shown int the figure. The surface is frictionless, and the blocks suddenly collide and
Couple. After the collision, the blocks have a common speed of 0.90 m/s. How much kinetic energy
Of the blocks is lost due to the collision?

• A) 31 J
• B) 2.0 J
• C) 8.6 J
• D) 4.6 J
• E) 11 J

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Definitions:

Saving

The process of setting aside a portion of current income for future use, or the funds that have been set aside for such purposes.

Disposable Income

Financial holdings households can direct towards spending and saving activities after tax deductions.

Consumption

The act of using up goods and services to satisfy human needs and wants, considered a principal component of GDP.

Durable Goods

Goods that are intended to last for a long period of time, such as cars, appliances, and furniture, typically requiring more significant investment than non-durable goods.