Mr. g i running down the street trying to catch the bus. he is one city block away (200m) and this bus is leaving in 10s.

a) how fast does mr. g need to run to catch the bus on time? (hint: what do you know about the problem)

b) if the fastest human can run 12 m/s, will mr. g be able to catch the bus? explain your answer

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?