A 50-Kg Satellite Circles the Earth in an Orbit with a Period

question 20

Multiple Choice

A 50-kg satellite circles the Earth in an orbit with a period of 120 min.What minimum energy is required to change the orbit to another circular orbit with a period of 180 min? (Earth: radius = 6.4 * 10⁶ m,mass = 6.0 *10²⁴ kg)

• A)2.9 *10⁸ J
• B)3.5 *10⁸ J
• C)4.1 * 10⁸ J
• D)4.7 * 10⁸ J
• E)5.9 * 10⁸ J

Know the basic principles of animal learning, including types and benefits.

Grasp the concept of biological rhythms, including the location and function of the biological clock in mammals.

Understand sexual selection and mating strategies in the animal kingdom.

Identify and describe various types of behavior in animals.

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