A Spring Is Compressed Between Two Blocks,block a of Mass

question 30

Multiple Choice

A spring is compressed between two blocks,block A of mass m,and block B of mass 3m.The 1250 N/m spring is released,sending the blocks in opposite directions.What is the ratio of the magnitudes of the momenta of block A to block B,p_A/p_B?

• A)1
• B)1/3
• C)More information is needed.
• D)3
• E)1/9

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Definitions:

Predetermined Overhead Rate

A rate used in cost accounting to allocate manufacturing overhead costs to products based on a planned level of activity or driver, such as machine hours or labor hours.

Machine-Hours

A measure of production volume or activity based on the number of hours machines are in operation.

Unused Capacity

The available production capability that is not being utilized by a company.

Capacity

It is the maximum level of output that a company can sustain to produce in a given period under normal conditions.