An Experiment That Can Be Used to Measure the Velocity

question 81

Multiple Choice

An experiment that can be used to measure the velocity of a bullet is to have two cardboard disks attached to a rotating shaft some distance apart and to measure the angular separation of the holes made by the bullet. In such an experiment, two cardboard disks are placed 0.534 m apart on a shaft that is rotating at 3000 rpm. The bullet is fired parallel to the axis and the angular separation of the holes is measured to be 22.0°. What is the speed of the bullet?

• A) 72.8 m/s
• B) 139 m/s
• C) 219 m/s
• D) 437 m/s
• E) 1380 m/s

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Definitions:

Sanction

A social mechanism of control where rewards or punishments are used to enforce social norms.

Value

The importance, worth, or utility of something, often reflecting personal or cultural beliefs about what is considered significant or desirable.

Folkway

A folkway is a customary social behavior that is informally enforced in a society, representing the everyday norms and practices.

Pedophilia

A psychiatric disorder characterized by an adult's sexual attraction to prepubescent children.