Answer Happy

Posted: **Thu Apr 28, 2022 9:29 am**

: Question 3 0 1 Pts Two Particles Are Launched Sequentially Particle 1 Is Launched With Speed 0 683c To The East Part 1 (34.35 KiB) Viewed 21 times

: Question 3 0 1 Pts Two Particles Are Launched Sequentially Particle 1 Is Launched With Speed 0 683c To The East Part 2 (29.71 KiB) Viewed 21 times

Question 3 0 / 1 pts Two particles are launched sequentially. Particle 1 is launched with speed 0.683c to the east. Particle 2 is launched with speed 0.644c to the north but at time 6.24ms later. After the second particle is launched, what is the speed of particle 2 as seen by particle 1 (as a fraction of c)? Answered 0.921 ect Answer 0.829 margin of error +/- 1%
Question 5 0 / 1 pts With respect to the earth, object A is moving at speed 0.77c to the right. Object B is moving to the left at speed 0.45c with respect to object A. What is the velocity of object B with respect to the earth? (expressed as a fraction of c) nswered 0.32 Answer 0.4897 margin of error +/- 1%