In Which One of the Following Situations Is Linear Momentum

question 65

Multiple Choice

In which one of the following situations is linear momentum not conserved?

• A)A bomb suspended by a string explodes into one hundred fragments.
• B)A bowling ball collides with a set of ten pins.
• C)A golf ball is struck by a club.
• D)An astronaut floating in space throws a hammer away and subsequently moves in the opposite direction.
• E)A tree limb is struck by lightning and falls to the ground.

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Definitions:

Pension Discount Rate

The interest rate used to determine the present value of future pension liabilities.

Current Cash Flows

The money that is moving in and out of a business in the present time, especially as it pertains to operating activities.

Past Service Costs

Costs related to pension plan benefits earned by employees in prior periods, which are recognized in the current period due to plan amendments or changes.

Actuarial Gains and Losses

Gains or losses that arise from the adjustment of assumptions or the application of actuarial models differently over time in evaluating a company's pension liabilities.