Exam 1: Introduction to the Imaging Sciences

Exposure times for very early radiographs ranged from

Kinetic energy is

What is the velocity of a javelin that travels 45 meters in 3 seconds?

Kilograms-meters per second (kg-m/s)is the unit of measure of

Weight,measured in pounds,is not affected by gravitational force.

An example of how x-rays were used for entertainment or business gain in a dangerous manner was the

The first radiograph produced by Dr.Roentgen was of

Joule is the unit of measure of

If 240 J of work is done in 1 minute,how much power is consumed?

Newton's first law of motion states that,unless acted on by an external force,an object at rest

The device that is located just under the x-ray table and holds the image receptor in place is the

What is the momentum of the 20 kg box that is traveling 10 m/s?

What is the SI equivalent of 3 Ci?

The negative electrode of the x-ray tube is the

In the SI system the unit of measure for time is

The radiologic unit that addresses the different biological effects of different types of ionizing radiation is the

If a basketball goes from being stationary to a velocity of 18 m/s in 3 seconds,what is its acceleration?

The electricity applied to the tube during x-ray production is controlled at the

The radiologic unit that quantifies occupational exposure or dose equivalent is the

In the British system the unit of measure for length is