A-particle-P-moves-in-a-plane-such-that-at-time-t-seconds-its-velocity-v-2ti-t-3-ms-1-a-Find-when-t-2-the-magnitudeof-the-i-velocity-of-P-ii-acceleration-of-P-b-Given-that-P-is-a Tinku Tara June 4, 2023 None 0 Comments FacebookTweetPin Question Number 173293 by pete last updated on 09/Jul/22 AparticlePmovesinaplanesuchthatattimetseconds,itsvelocity,v=(2ti−t3)ms−1.(a)Find,whent=2,themagnitudeofthe:(i)velocityofP.(ii)accelerationofP.(b)GiventhatPisatthepointwithpositionvector(3i+2j)whent=1,findthepositionvectorofPwhent=2. Answered by Ar Brandon last updated on 09/Jul/22 v=(2ti−t3j)ms−1a.i−vt=2=∣4i−8j∣=42+82=45ms−1ii−a(t)=v′(t)=ddt(2ti−t3j)=(2i−3t2j)ms−2at=2=∣2i−12j∣=148ms−2=237ms−2b.P(t)=∫v(t)dt=∫(2ti−t3j)dt=t2i−t44j+CP(1)=3i+2j=i−14j+C⇒C=2i+94jP(t)=(t2+2)i−14(t4−9)jP(2)=6i−74j Commented by pete last updated on 09/Jul/22 Thankyousir,Iamgrateful. Commented by Tawa11 last updated on 11/Jul/22 Greatsir Terms of Service Privacy Policy Contact: info@tinkutara.com FacebookTweetPin Post navigation Previous Previous post: BeMath-x-2-ln-x-2-3-dx-Next Next post: a-b-c-180-a-b-c-N-number-of-triplets-possible-a-b-c-for-the-above-equation-are-the-order-of-a-b-c-doesn-t-matter- Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Save my name, email, and website in this browser for the next time I comment.