Why does a patient receive more radiation from a CT scan than from having an X-ray image made?
A. Fewer X-rays are reflected in a CT scan
B. Higher-frequency rays are used in a CT scan
C. A CT scan involves multiple X-ray images
D. The X-rays are more powerful in a CT scan

Which safety measures should you follow during a thunderstorm? check all that apply. (a) avoid touching anything that conducts electricity. (b) avoid touching a person who has been struck by lightning. (c) go outside. (d) keep your computer turned off. (e) stay out of water. (f) stay inside.

How would a small bar magnet be oriented when placed at position x?

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter