106.5 m/s [E] - 24.8 m/s [W] =

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

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 maria's voyage take according to samir?

With physics question #5? for any !