:) The average CT scan exposes a patient to an average of 20 mSv. How many CT scans would a person have to go through to be as close as possible to the amount of radiation emergency workers are limited to receiving in a life-saving situation?

Which description best characterizes the motion of particles in a solid?

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³

Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.