A Planet in Another Solar System Orbits a Star with a Mass

question 46

Multiple Choice

A planet in another solar system orbits a star with a mass of 4.0 x 10³⁰ kg.At one point in its orbit it is 250 x 10⁶ km from the star and is moving at 35 km/s.Take the universal gravitational constant to be 6.67 x 10^-11 m²/s² .kg and calculate the semimajor axis of the planet's orbit.The result is:

• A)79 x 10⁶ km
• B)140 x 10⁶ km
• C)290 x 10⁶ km
• D)320 x 10⁶ km
• E)590 x10⁶ km

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Definitions:

Alzheimer Disease

A progressive neurodegenerative disorder characterized by memory loss, cognitive decline, and personality changes.

Brain Damage

Brain damage refers to physical or functional destruction of brain cells, potentially resulting in loss of cognitive, physical, or emotional abilities.

Alzheimer Disease

Alzheimer's disease is a progressive neurodegenerative disorder characterized by memory loss, cognitive decline, and changes in behavior and personality.

Anatomical Differences

Variations in physical structure and organization among individuals or between species.