- #1
Jastrabik
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1.Two particles A and B have velocities 3i and vj respectively (in m/s).
(a) Find the position of B relative to A for all t given that r (b relative to a)
(t=0) = -9i+6j (in metres).
(b) Find the value of v such that A and B collide.
(c) If v=1 m/s, find the time and distance when A and B are closest together.
3. Well, firstly i drew it out. A= 3i+0j , B=0i+vj. Then I integrated A and B and let it equal to -9i+6j and I got t=3 and v=2. I also got the angle to be 33.69°. I don't know what to do after that of if anything i got is right.
(a) Find the position of B relative to A for all t given that r (b relative to a)
(t=0) = -9i+6j (in metres).
(b) Find the value of v such that A and B collide.
(c) If v=1 m/s, find the time and distance when A and B are closest together.
3. Well, firstly i drew it out. A= 3i+0j , B=0i+vj. Then I integrated A and B and let it equal to -9i+6j and I got t=3 and v=2. I also got the angle to be 33.69°. I don't know what to do after that of if anything i got is right.
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