Planet Zero Has a Mass of 4

question 41

Multiple Choice

Planet Zero has a mass of 4.0 × 1023 kg and a radius of 2.0 × 106 m. A 10-kg space probe is launched vertically from the surface of Zero with an initial kinetic energy of 8.0 × 107 J. What maximum distance from the center of Zero is achieved by the probe?

• A)3.2 × 106 m
• B)4.0 × 106 m
• C)6.0 × 106 m
• D)5.0 × 106 m
• E)2.5 × 106 m

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Definitions:

Oval Window

A membrane-covered opening that leads from the middle ear to the inner ear, transmitting vibrations from the eardrum to the cochlea.

Cochlea

A spiral-shaped, fluid-filled inner ear structure that is essential for hearing; it translates sound vibrations into nerve impulses.

Blind Spot

A location in the visual field that corresponds to the lack of light-detecting photoreceptor cells on the optic disc of the retina, leading to a gap in the field of vision.

Reflected Light

Light that bounces off an object's surface, which can be perceived and analyzed to determine the object's properties.