An Ideal Spring Is Used to Fire a 15

question 16

Multiple Choice

An ideal spring is used to fire a 15.0-g block horizontally.The spring has a spring constant of 20 N/m and is initially compressed by 7.0 cm.The kinetic energy of the block as it leaves the spring is:

• A)0 J
• B)2.5 * 10^-2 J
• C)4.9 *10^-2 J
• D)9.8 * 10^-2 J
• E)1.4 J

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Definitions:

Regio-

A prefix indicating the region or position in a molecule where a certain chemical reaction takes place or where certain substituents are located.

Stereochemical Detail

Information regarding the spatial arrangement of atoms within a molecule, affecting its chemical behavior.

Peroxide Initiator

A compound that decomposes to form free radicals, initiating polymerization reactions.

Propylene

A flammable gas that is a colorless hydrocarbon used as a fuel and a petrochemical feedstock.