Multiple Choice
Planet Zero has a mass of 5.0 × 1023 kg and a radius of 2.0 × 106 m. A space probe is launched vertically from the surface of Zero with an initial speed of 4.0 km/s. What is the speed of the probe when it is 3.0 × 106 m from Zero's center?
A) 3.0 km/s
B) 2.2 km/s
C) 1.6 km/s
D) 3.7 km/s
E) 5.9 km/s
Correct Answer:
Verified
Correct Answer:
Verified
Q27: A projectile is launched from the surface
Q28: Two satellites are placed in geosynchronous orbits,
Q29: An object is released from rest when
Q30: What is the kinetic energy of a
Q31: The figure below shows a planet traveling
Q33: A spacecraft (mass = m) orbits a
Q34: Two identical planets orbit a star in
Q35: The figure below shows a planet traveling
Q36: What is the period of revolution of
Q37: What is the magnitude of the free-fall