Suppose an Artificial Satellite Is in a Circular Orbit About

question 10

Multiple Choice

Suppose an artificial satellite is in a circular orbit about the Earth.What can be said about the acceleration of the satellite?

• A)Its acceleration is zero
• B)It is accelerating because its speed changes constantly
• C)It is accelerating because its direction changes constantly
• D)We can tell if it is accelerating only if we can measure the force on it

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Definitions:

Diaphragm

A muscular and membranous partition separating the thoracic cavity from the abdominal cavity, playing a critical role in the respiratory process by contracting and expanding to allow breathing.

Four-Chambered Heart

An anatomical feature of the heart, consisting of two atria and two ventricles, which efficiently separates oxygenated and deoxygenated blood, seen in mammals and birds.

Mammary Glands

Specialized organs in mammals that produce milk to nourish newborn offspring, present in both sexes but usually functional only in females.