Constants | Periodic Table Part A The nearest star to Earth is Proxima Centauri, 4.3 light-years away. At what constant velocity must a spacecraft travel from Earth if it is to reach the star in 4.7 years, as measured by travelers on the spacecraft? Express your answer using two significant figures. AEQ ? Submit Request Answer Part B How long does the trip take according to Earth observers? Express your answer using two significant figures. IVO AEd FOE ? AtEarth = y Submit Request AnswerExpress your answer with the appropriate units. Suppose in the figure that the origins of S and S' overlap at t = t' = 0 and that S' moves at speed v = 2.10x10 HA ? m/s with respect to S. In S', a person moves with a velocity whose components are u's = uy = 1.15 x 10*m/s.(Figure 1) U= Value Units Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part B What will be the direction of her velocity with respect to S? Figure