The gravitational force between the Sun (mass = 1. 99 × 1030 kg) and Mercury (mass = 3. 30 × 1023 kg) is 8. 99 × 1021 N. How far is Mercury from the Sun? 6. 98 × 1010 km 6. 98 × 107 km 4. 87 × 1013 km 4. 87 × 1024 km.

Samir watches a 100-minute movie on his spaceship. maria's spaceshipe flies in the same direction as samir's spaceship but she observes his move to last 125 minutes and his spaceship to be 40 m long. how long does samir observe his own spaceship to be? according to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does marias voyage take according to samir?