Author Question: Which of the following best describes why the occupants of a vehicle moving at 50 miles per hour ... (Read 52 times)

HudsonKB16 · **on:** Jul 3, 2018

Which of the following best describes why the occupants of a vehicle moving at 50 miles per hour will be injured when the vehicle strikes a tree, but not when it brakes to a stop?

A) Braking allows the kinetic energy to be absorbed evenly into the frame of the vehicle, rather than concentrating it at the point of impact.
B) The energy gradually dissipates as heat due to the friction of braking, rather than transferring to the vehicle and its occupants.
C) The inertia of the tree increases the kinetic energy transmitted to the occupants by a factor of 10.
D) None of the above describes why.

Question 2

A train carrying radioactive materials has derailed. The radiation safety officer informs you that you will be receiving a 31-year-old male who was exposed to the radioactive material. As such, you should recognize that:

A) the patient will require immediate decontamination.
B) the patient will be vomiting and will have lost his hair.
C) you will need special clothing to protect yourself from radiation.
D) the patient represents no contamination threat to you.

EAN94 · **Reply #1 on:** Jul 3, 2018

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