Help On the surface or Mercury, the gravitation field is 0.38 times its value on Earth (g on Earth
is 9.8 m/s. g on Mercury is 0.38g)

a. What would a 6.0 kg mass weigh on Mercury?

b. If the gravitational field on the surface of Pluto is 0.08 times that of Mercury, what
would a 7.0 kg mass weigh on Pluto?

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?