A 0.75-kg ball is attached to a 1 m rope and whirled in a vertical circle. The rope will break when the tension exceeds 450 N. What is the maximum speed the ball can have at the bottom of the circle without breaking the rope?

Two motorcycles are riding around a circular track at the same centripetal acceleration. One motorcycle A is at a radius of 15 m; and the second motorcycle B is at a radius of 18 m. What is the ratio of their angular speed of motorcycle A to motorcycle B?

The edge distortion problem in image intensification tubes is called ____.

What is the structure marked “A”:

A typical CT system is designed with ONE set of collimators that are located just outside the X-Ray tube.  

Late radiation-induced somatic effects include 1. thyroid cancer 2. cataractogenesis 3. genetic mutations

Which layer of the imaging plate is the base on which to coat other layers?

What does the abbreviation MPR in CT stand for?  

The average respiration rate for the average adult is:

Outline blood flow from the renal artery to the renal vein.  Use arrows (–>) to separate each blood vessel/capillary bed.  Do not write this out in paragraph form with extra information, and the only abbreviations you may use are: a. for artery (aa. for arteries) and v. for vein (vv. for veins).