A 200-Kg Copper Rod Is 50 $\degree$ CIf 40 000 J Are Transferred to the Rod by \degree

question 59

Multiple Choice

A 2.00-kg copper rod is 50.00 cm long at 23 $\degree$ C.If 40 000 J are transferred to the rod by heat,what is its change in length? c_copper = 387 J/kg* $\degree$ C and a_copper = 17 ´ 10^-6/ $\degree$ C.

• A)0.022 cm
• B)0.044 cm
• C)0.059 cm
• D)More information is needed.

---

Definitions:

Bag-mask Device

A hand-held device used to provide positive pressure ventilation to a patient who is not breathing or not breathing adequately.

Auscultate

The act of listening to the sounds made by the internal organs of the body, typically with a stethoscope, as part of a medical examination.

Chest Radiograph

An X-ray image of the chest used to evaluate the lungs, heart, and chest wall.

Do-not-resuscitate Order

A medical order to withhold cardiopulmonary resuscitation (CPR) or advanced cardiac life support (ACLS) in the event of cardiac or respiratory arrest.