A Polar Bear of Mass 200 Kg Stands on an Ice

question 73

Multiple Choice

A polar bear of mass 200 kg stands on an ice floe that is a uniform 1.0 m thick.What is the minimum area of the floe that will just support the bear in saltwater of density 1030 kg/m³? The density of ice is 980 kg/m³.

• A)1.0 m²
• B)2.0 m²
• C)3.0 m²
• D)4.0 m²

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Definitions:

PO

Latin term "per os" used in prescriptions, indicating that the medication is to be taken orally.

Methylphenidate HCl

A central nervous system stimulant medication used primarily to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy.

Narcolepsy

A chronic sleep disorder characterized by overwhelming daytime drowsiness and sudden attacks of sleep.

Raloxifene HCl

A medication used to treat and prevent osteoporosis in postmenopausal women, also known to reduce the risk of breast cancer.