Why is checking your scene so important? Your answer needs to be written at the undergraduate level or you will not receive any points. This should not be a one sentence answer either. This is an Essay question and there is a lot you can write to answer this question.

An arrow is shot horizontally from a height of 4.9 m above the ground. The initial speed of the arrow is 45 m/s. Neglecting friction, how long will it take the arrow to hit the ground?

What is one technique used to reduce weld cracking?  

In your own words describe “ARC BLOW.”

Which of the following is NOT a method for removing a victim from an accident scene?

  What is a failure report?  What does it include?  

Describe what fatigue failure is, and list two techniques to reduce fatigue failures in weldments.  

What is galvanized plate?

Which of the following statements about lung compliance (CL) are true? CL is calculated as Δ Vol / flow. Normal CL is 100 mL/cmH2O. Stiffer lungs will have a lower CL. Increased CL causes the patient to breathe rapid and shallow.

Explain what “residual stresses” are?