A Piece of Taffy Slams into and Sticks to Another

question 72

Multiple Choice

A piece of taffy slams into and sticks to another identical piece of taffy that is at rest. The momentum of the two pieces stuck together after the collision is the same as it was before the collision, but this is not true of the kinetic energy, which is partly turned into heat. What percentage of the kinetic energy is turned into heat?

• A) 75%
• B) 0%
• C) 25%
• D) 50%
• E) not enough information given

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Definitions:

Taxes

Taxes refer to the compulsory financial charge or some other type of levy imposed upon a taxpayer by a governmental organization in order to fund government spending and various public expenditures.

Transaction Costs

Expenses incurred when buying or selling a good or service, including broker's fees, taxes, or costs related to the time and labor involved in making the transaction.

NPV Projects

Projects evaluated using Net Present Value, a method for determining the present value of future cash flows, minus the initial investment.

Compromise Policy

A strategy or decision that is made by finding a middle ground between two opposing positions or interests.