Multiple Choice
Gravitational potential energy: Beings on spherical asteroid Π have observed that a large rock is approaching their asteroid in a collision course. At from the center of the asteroid, the rock has a speed of
and later at
it has a speed of
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 × kg
B) 9.164 × kg
C) 6.112 × kg
D) 4.582 × kg
Correct Answer:

Verified
Correct Answer:
Verified
Q22: Gravitational potential energy: Sputnik I was launched
Q23: Gravitational force: A small-sized 155-kg mass is
Q24: Weight and g: The weight of spaceman
Q25: Weight and g: From what height above
Q26: Kepler's laws: Two moons orbit a planet
Q28: Satellites: What is the period (in hours)
Q29: Satellites: You are the science officer on
Q30: Weight and g: Ekapluto is an unknown
Q31: Escape speed: A certain planet has an
Q32: Gravitational potential energy: Two planets having equal