A Railroad Train Travels Forward Along a Straight Track at 80.0

question 7

Multiple Choice

A railroad train travels forward along a straight track at 80.0 m/s for 1000 m and then travels at 40.0 m/s for the next 1000 m.What is the average velocity?

• A) 60.0 m/s
• B) 37.5 m/s
• C) 63.7 m/s
• D) 53.3 m/s

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Vascularized

Having blood vessels; supplied with or containing blood vessels.

Orbicularis Oris

A circular muscle surrounding the mouth, involved in controlling movements of the mouth and lips.

Levator Palpebrae Superioris

A muscle in the eyelid responsible for raising the upper eyelid.

Eyelids

Skin-covered folds that can open and close to protect the eye from debris and control light entry.