Beings on Spherical Asteroid Π Have Observed That a Large

question 18

Multiple Choice

Beings on spherical asteroid Π have observed that a large rock is approaching their asteroid in a collision course. At 7514 km from the center of the asteroid, the rock has a speed of 136.0 m/s and later at 2823 km it has a speed of 392.0 m/s. Use energy conservation to find the mass of asteroid Π. You can neglect any effects due to the parent star of the asteroid. (G = 6.67 × 10^-11 N ∙ m²/kg²)

• A) 4.582 × 10²¹ kg
• B) 9.164 × 10²⁷ kg
• C) 6.112 × 10²⁸ kg
• D) 4.582 × 10²⁰ kg

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Definitions:

Mesometrium

The part of the broad ligament of the uterus that encloses the uterus, connecting it to the lateral pelvic walls.

Bulbourethral Gland

A pair of small glands situated on either side of the urethra in males that secrete a fluid that lubricates and neutralizes acidity in the urethra.

Ductus Deferens

A tube that carries sperm from the epididymis to the ejaculatory ducts in preparation for ejaculation.

Epididymis

A coiled tube at the back of the testis where sperm mature and are stored.