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The position of a particle is expression as r = t3 i + 14 j + t2 k, where r is in meters and t in seconds. a) Find the scalar

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Answer #1

Criven → Y = t; + tuj + t?k ut know that V (+) = dr dt di ( 131 + tºj +*2K) 3+1 +44j +27k and a(t)= ah du ( 38j + 43j+ 2+k) 6Tangential component of the acceleration can) at x= sec. then, 70 1% +48 +4 90) 29 ta V (3)+ [4]2+(212 to Mg2 kattal Jag (b)

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